Siemens 8DJH Series Installation And Operating Instructions Manual
Siemens 8DJH Series Installation And Operating Instructions Manual

Siemens 8DJH Series Installation And Operating Instructions Manual

Medium-voltage switchgear
Table of Contents

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Medium-Voltage Switchgear
Medium-voltage switchgear type 8DJH, block versions
Up to 24 kV, gas-insulated
Medium-Voltage
Switchgear
INSTALLATION AND
OPERATING
INSTRUCTIONS
Order No.: 500-8067.9
Revision: 03
Issue: 7.12.2009

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Summary of Contents for Siemens 8DJH Series

  • Page 1 Medium-Voltage Switchgear Medium-voltage switchgear type 8DJH, block versions Up to 24 kV, gas-insulated Medium-Voltage Switchgear INSTALLATION AND OPERATING INSTRUCTIONS Order No.: 500-8067.9 Revision: 03 Issue: 7.12.2009...
  • Page 2 The Sales Contract documents. The switchgear is subject to continuous contains the entire obligations of Siemens. The warranty technical development within the scope of technical contained in the contract between the parties is the sole progress.
  • Page 3: Table Of Contents

    Contents Safety instructions................5 11.2 Completeness and transport damage....61 Signal terms and definitions........ 5 11.3 Intermediate storage..........62 General instructions ..........6 11.4 Unloading and transport to the place of installation ........59 Due application............ 7 11.5 Checking the ready-for-service indicator .... 67 Qualified personnel ..........
  • Page 4 17 .5 Opening the three-position disconnector in Verification of safe isolation from supply..119 the circuit-breaker panel type 2 ....... 107 Replacing HV HRC fuse-links ......120 17 .6 Three-position disconnector in Cable testing ............124 the circuit-breaker panel type 2: EARTHED position........... 108 20.1 Cable testing via cable plugs......124 17 .7 Three-position disconnector in...
  • Page 5: Safety Instructions

    Safety instructions Safety instructions Signal terms and definitions DANGER! as used in these instructions, this means that personal injuries can occur if the relevant precautionary measures are not taken. Observe the safety instructions. ATTENTION! as used in these instructions, this means that damage to property or environment can occur if the relevant precautionary measures are not taken.
  • Page 6: General Instructions

    Safety instructions General instructions Independently of the safety instructions given in these operating instructions, the local laws, ordinances, guidelines and standards for operation of electrical equipment as well as for labor, health and environmental protection apply. Any kind of modification on the product or alteration of the product must be coordinated with the manufacturer in advance, as uncoordinated modifications or alterations can cause the expiration of warranty claims, cause danger to life, limb and other legally protected interests, and the fulfillment of the type tests (according to IEC 62271-200)
  • Page 7: Due Application

    Safety instructions Due application The switchgear corresponds to the relevant laws, prescriptions and standards applicable at the time of delivery. If correctly used, they provide a high degree of safety by means of logical mechanical interlocks and shockproof metal enclosure of live parts. DANGER! The perfect and safe operation of this switchgear is conditional on: Observance of operating and installation instructions.
  • Page 8: Description

    Description Description Features Typical uses 8DJH switchgear is used - even under severe ambient conditions - for power distribution in secondary distribution systems, such as • Industrial distribution systems • Consumer and transfer substations It is available for rated voltages up to 24 kV and rated currents of the feeders up to 630 A.
  • Page 9 Description Freely configurable Besides the standard panel blocks, the fully modular switchgear concept offers block versions the possibility to combine freely configurable panel blocks. Up to four modules can be combined in one panel block. The position of the individual modules is free, except for the bus sectionalizer modules.
  • Page 10: Functional Modules (Selection)

    Description Functional modules (selection) Overview: Configurability of panel modules Panel modules Panel width Freely configurable Stipulated arrangement arrangement in panel in panel blocks blocks Ring-main feeder 310 mm Transformer feeder with switch-disconnector/fuse combination 430 mm Circuit-breaker feeder 430 mm Cable feeder (combinations of transformer and circuit-breaker feeder 310/430 mm are possible via panel extensions) Examples for...
  • Page 11 Description Overview: Panel modules as individual panels Panel modules as individual panels Panel width Ring-main feeder 310/500 mm Cable feeder 310/430 mm Transformer feeder 430 mm Circuit-breaker feeder 430/500 mm 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 12: Components

    Description Components Three-position switch-disconnector Features • The three-position switch-disconnector is designed for rated voltages from 7 .2 kV to 24 kV • Switching functions as general-purpose switch-disconnector (class E3) according to IEC/EN 60 265-1 / VDE 0670-301, IEC/EN 62 271-102 / VDE 0671-102 and IEC/EN 62 271-105 / VDE 0671-105 •...
  • Page 13 Description Mode of operation The operating shaft forms one unit together with the three contact blades. Due to the arrangement of the fixed contacts (earth - busbar), it is not necessary to interlock the CLOSE and EARTHING functions. Closing operation During the closing operation, the operating shaft with the moving contact blades changes from the “OPEN”...
  • Page 14 Description Ring-main feeder: Ready-for-service indicator Knob-operated switch for CLOSE/OPEN, motor operating mechanism (option) Knob-operated switch for local-remote operation (option) Auxiliary switch (option) Motor operating mechanism (option) Capacitive voltage detecting system Manual operation of the rotary lever mechanism for the EARTHING function Position indicator for three-position switch-disconnector Manual operation of the rotary lever...
  • Page 15 Description Ready-for-service indicator Knob-operated switch for CLOSE/OPEN, motor operating mechanism for DISCONNECTING function (option) Knob-operated switch for local-remote operation (option) "ON" pushbutton (mechanical operation) Auxiliary switch (option) Motor operating mechanism (option) Capacitive voltage detecting system Manual operation of the rotary lever mechanism for the EARTHING function Shunt release (f-release) (option) "Fuse tripped"...
  • Page 16 Description Sequence Operation Charging the springs Switch position OPEN OPEN CLOSED OPEN Position indicator "Spring charged" indicator Closing spring not charged charged not charged not charged Opening spring not charged charged charged not charged Equipment Mechanism operation Operating lever for charging the springs of the switch-disconnector and the make-proof earthing switch.
  • Page 17 Description Shunt release (f-release) Spring-operated/stored-energy mechanisms can be equipped with a magnetic tripping CLOSED/OPEN (optional) coil (shunt release). Remote electrical tripping of the three-position switch-disconnector is possible via the magnet coil, e.g. transformer overtemperature tripping. To avoid thermal overloading of the shunt release in the event of a continuous signal that may be applied, the shunt release is switched off via an auxiliary switch which is mechanically coupled with the three-position switch-disconnector.
  • Page 18: Vacuum Circuit-Breaker Type 2

    Description Vacuum circuit-breaker type 2 Features • Vacuum circuit-breaker for rated voltages from 7 .2 kV to 24 kV • According to IEC/EN 62 271-100 / VDE 0671-100 • Climate-independent vacuum interrupter poles in the gas-filled switchgear vessel • Application in hermetically welded switchgear vessel in conformity with the system •...
  • Page 19 Description Low-voltage housing Knob-operated switch for local-remote operation (option) Knob-operated switch for CLOSE/ OPEN, motor operating mechanism for disconnector (option) Ready-for-service indicator Motor of the three-position disconnector (option) Actuating opening for DISCONNECTING, three-position disconnector Control gate/locking device for three-position disconnector Position indicator for three-position disconnector Actuating opening for EARTHING,...
  • Page 20 Description Sequence Operation Charging the springs Switch position OPEN OPEN CLOSED OPEN Position indicator "Spring charged" indicator Closing spring not charged charged not charged not charged Opening spring not charged charged charged not charged Secondary equipment of the vacuum circuit-breaker type 2 Secondary components The scope of the secondary equipment of the vacuum circuit-breaker depends on the type of application.
  • Page 21 Description Auxiliary switch (option) • For circuit-breaker: 6NO + 6NC, free contacts thereof 2NO + 2NC + 2 changeover, depending on equipped releases • For disconnector: 6NO + 6NC, free contacts thereof 2NO + 2NC + 2 changeover Position switch (option) •...
  • Page 22: Interlocks

    Description Interlocks Mechanical interlock • The switching gate prevents switching straight from "CLOSED" to "EARTHED" or from "EARTHED" to "CLOSED", as the operating lever must be re-inserted in the "OPEN" position. • The cable compartment cover (HV HRC fuse compartment cover) can only be removed if the transformer feeder is earthed and the operating lever is removed.
  • Page 23: Cable Compartment Covers

    Description Cable compartment covers • The cable compartment covers can only be removed when the associated feeder is earthed. Fig. 10: Removing the cable compartment cover at the transformer panel ATTENTION! In switchgear panels without switching devices, the cable compartment covers are screwed on.
  • Page 24: Hv Hrc Fuse Assembly

    Description HV HRC fuse assembly Features • HV HRC fuse-links according to DIN 43 625 (main dimensions) with striker in "medium" version according to IEC/EN 60 282-1 - As short-circuit protection before transformers, - with selectivity to upstream and downstream connected equipment - 1-pole insulated •...
  • Page 25 Description Fig. 13: HV HRC fuse assembly Fuse box Locking cap with control electrode Fuse slide HV HRC fuse Sealing cover with seal Cable connection (bushing) Tripping pin for redirection at Fuse bushing the spring-operated/stored-energy mechanism 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 26 Description Possible cable connections for the HV HRC fuse assembly Fig. 14: Fuse assembly with bushing according to DIN 50181 Fig. 15: Fuse assembly with bushing according to DIN 50181 type C for connection of T-plugs or elbow plugs for type A for connection of elbow plugs for cable routing cable routing downwards (T-plug shown) downwards...
  • Page 27: Cable Connection

    Description Schematic sketches for fuse tripping Fuse-link in service condition Fuse tripped by striker Fuse tripped by overpressure, e.g. if fault current is less than I and if HV HRC fuse has been inserted incorrectly Furthermore, the specified HV HRC fuses release the striker depending on the temperature and trip the switch-disconnector as early as in the fuse overload range.
  • Page 28 Description Options • Mounted cable clamps on cable bracket (e.g. C profiles or similar) • Surge protection devices of the same make in connection with the respective cable T-plugs Surge arresters • Pluggable on cable T-plug, cable elbow plug • Installation of certain configurations with surge arresters possible via deep cable compartment cover •...
  • Page 29 Description Straight cable plug, e.g. Euromold K152 Earthing Fig. 20: Cable connection for transformer feeder: Interface type A (250 A) - Cable feeder downwards Elbow cable plug, e.g. Euromold K158 Earthing Fig. 21: Cable connection for transformer feeder: Interface type A (250 A) - Cable feeder to the rear 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 30 Description Cable connections with bolted contact for transformer feeders Fig. 22: Cable connection for transformer feeder: Interface type C (630 A): E.g. Euromold K400 TB (black), nkt AB 24-630 and ASA 24-5 (gray) Features • As plug-in contacts according to EN 50 181/DIN EN 50 181 interface type A for cable elbow plugs or straight cable plugs •...
  • Page 31: Current And Voltage Transformers

    Description Current and voltage transformers Current and voltage transformers Current transformers • According to IEC 60 044-1/ VDE 0414-44-1 Voltage transformers • According to IEC 60 044-2 / VDE 0414-44-2 Technical data The technical data of the current and voltage transformers are given in the associated order documents.
  • Page 32 Description Features of HR/LRM system Cover for test sockets Earth socket Ccapacitive test socket for L2 Voltage indicator type LRM, make Horstmann Documentation to repeat test of interface condition • With voltage indicator - HR system (standard) - LRM system (option) - LRM system (option), integrated type VOIS+ - LRM system (option), integrated type CAPDIS-S1+ - LRM system (option), integrated type CAPDIS-S2+...
  • Page 33 Description Common features of • Maintenance-free CAPDIS-Sx+ • Integrated display, without auxiliary power • Integrated repeat test of the interfaces (self-monitoring) • With integrated function test (without auxiliary power) by pressing the "Device-Function-Test" pushbutton • With integrated 3-phase test socket for phase comparison (also suitable for plug-in voltage indicator) •...
  • Page 34 Description Indications VOIS, VOIS R+, CAPDIS -S1+/-S2+ Indicatio VOIS+, VOIS R+ CAPDIS-S1+ CAPDIS-S2+ Operating voltage not present (CAPDIS-S2+) Operating voltage present - Operating voltage not present - Auxiliary power not present (CAPDIS-S2+) Failure in phase L1, operating voltage at L2 and L3 (for CAPDIS-Sx+ also earth-fault indication) Voltage (not operating voltage) present Indication: "Device-Funtion-Test"...
  • Page 35: Ready-For-Service Indicator

    Description 7.10 Ready-for-service indicator The switchgear is filled with insulating gas at a relative pressure. The ready-for-service indicator at the switchgear front shows through the red/green indication if the gas density is in order. Indication: "ready for service" Pointer Green Indication: "not ready for service"...
  • Page 36 Description Mode of operation Principle of gas monitoring with ready-for-service indicator Measurement box in filled stainless-steel vessel Magnetic coupling Red indication: not ready for service Green indication: ready for service For the ready-for-service indicator, a gas-tight measurement box is installed on the inside of the switchgear vessel.
  • Page 37: Short-Circuit/Earth-Fault Indicators

    Description 7.11 Short-circuit/earth-fault indicators All ring-main feeders can be optionally equipped with a 3-phase short-circuit or earth-fault indicator. Features • Indication at the switchgear front • Factory-assembled including sensor mounted on ring-main cable bushing • Short-circuit pickup values: See table •...
  • Page 38 Description Reset Remote reset: Automatic reset after Pickup values Pickup values Option: Remote Indicator type return of auxiliary indication as voltage supply A: By auxiliary voltage Short-circuit current I Earth-fault current W (passing contact = standard) manually automatically B: Via NO contact Standard, other values Standard, other D (maintained...
  • Page 39: Accessories

    Description 7.12 Accessories Accessories, standard • Operating and installation instructions (selection) • Operating lever for disconnector, switch-disconnector and circuit-breaker Fig. 31: Standard: Single-lever operation with black handle and coding as universal lever. Alternative 1: One operating lever with red handle for earthing and de-earthing, and one operating lever with black handle for load breaking.
  • Page 40 Description Other accessories According to the order documents/purchase order (selection): • HV HRC fuse-links • Cable plugs / adapter systems • Surge arresters • Test fuses for mechanical simulation of the striker of HV HRC fuse-links in transformer feeders Fig. 33: Test fuse with extension tube •...
  • Page 41: Technical Data

    Description Technical data General technical data General electrical data Rated insulation level Rated voltage U 17.5 Rated short-duration power-frequency withstand voltage U - phase-to-phase, phase-to-earth, open contact gap kV 28/42* - across isolating distance 32/48* Rated lightning impulse withstand voltage U - phase-to-phase, phase-to-earth, open contact gap kV - across isolating distance Rated frequency f...
  • Page 42: Three-Position Switch-Disconnector

    Description Three-position switch-disconnector Three-position switch-disconnector Switching capacity for Switching capacity for general-purpose switches (class E3) according to general-purpose switch IEC/EN 60 265-1 / VDE 06070-301 Rated voltage U 17.5 Test duty 1 Rated mainly active load 100 operations breaking current 20 operations 0.05 I 31.5...
  • Page 43: Three-Position Disconnector

    Description Motor operating The rated current of the motor protection equipment is shown in the following table: mechanism Rated supply voltage V Recommended rated current for the protection equipment A DC/AC 24/30/32 DC/AC 48 DC/AC 60 DC/AC 100/110/120/125/127 DC/AC 220/230/240/250 Control voltage (including releases) is generally protected with 8A.
  • Page 44: Vacuum Circuit-Breaker

    Description Vacuum circuit-breaker Switching capacity and classification of switching devices Vacuum circuit-breaker with switching capacity according to IEC/EN 62 271-100 / VDE 0671-100. Type 2 for individual switchgear panels and panel blocks Rated voltage U 17.5 Rated normal current of feeders I 250, 630 Rated short-time withstand current I for switchgear with...
  • Page 45 Description Arcing time The interval of time from the first initiation of an arc and the instant of final arc extinction in all poles. Break time The interval of time between the initiation (command) of the opening operation and the instant of final arc extinction in the last-pole-to-clear (=opening time and arcing time). Close-open contact time The interval of time - in a make-break operating cycle - between the instant when the contacts touch in the first pole in the closing process, and the instant when...
  • Page 46 Description Shunt releases Shunt releases are used for automatic or deliberate tripping of circuit-breakers. They are designed for connection to external voltage (DC or AC voltage). They can also be connected to a voltage transformer for deliberate tripping. Shunt releases based on two principles (Y1, Y2) can be used: •...
  • Page 47: Classification Of 8Djh Switchgear According To Iec/En 62 271-200

    Description Classification of 8DJH switchgear according to IEC/EN 62 271-200 8DJH is classified according to IEC/EN 62 271-200 / VDE 0671-200. Design and construction Partition class PM (metallic partition) Loss of service continuity category for functions/ - with HV HRC fuses (T, H) LSC 2A modules - without HV HRC fuses (R, L, ...)
  • Page 48: Switchgear Versions - Dimensions And Weights

    Transport regulations According to "Annex 1 of the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) dated September 30th, 1957" Siemens gas- insulated medium-voltage switchgear does not belong to the category of dangerous goods regarding transportation, and is exempted from special transport regulations according to ADR, Clause 1.1.3.1 b.
  • Page 49 Description Switchgear weights The weight of the switchgear unit results from the sum of the weights per functional unit. Depending on the design and the degree to which it is equipped (e.g. current transformers, motor operating mechanism, low-voltage compartment), different values will result.
  • Page 50: Gas Leakage Rate

    Description Gas leakage rate Gas leakage rate The gas leakage rate is < 0.1% per year (referred to the absolute gas pressure). Dielectric strength and site altitude Dielectric strength • The dielectric strength is verified by testing the switchgear with rated values of short- duration power-frequency withstand voltage and lightning impulse withstand voltage according to IEC 62271-1 / VDE 0671-1.
  • Page 51 Description Rated voltage (r.m.s. value) [kV] 17.5 Rated short-duration power-frequency withstand voltage (r.m.s. value) - Across isolating distances [kV] - Between phases and to earth Rated lightning impulse withstand voltage (peak value) - Across isolating distances [kV] - Between phases and to earth Fig.
  • Page 52: Selection Of Hv Hrc Fuse-Links

    Description 8.10 Selection of HV HRC fuse-links Allocation of HV HRC fuses and transformers The three-position switch-disconnector in the transformer feeder (transformer switch) was combined with HV HRC fuse-links and tested in accordance with IEC 62 271-105. The transformer protection table below shows HV HRC fuse-links recommended for transformer protection.
  • Page 53 Description Transformer protection table: Recommendation for the allocation of HV HRC fuse-links make SIBA and transformers Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 3.3-3.6 3-7.2 30 098 13.6,3 3-7.2 30 098 13.10 5.25 3-7.2 30 098 13.10 3-7.2...
  • Page 54 Description Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 5.0-5.5 18.4 31.5 3-7.2 30 098 13.31,5 3-7.2 30 098 13.40 3-7.2 30 098 13.40 3-7.2 30 098 13.50 28.8 3-7.2 30 098 13.40 3-7.2 30 098 13.50 36.3 3-7.2...
  • Page 55 Description Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 6 -7.2 6-12 30 004 13.50 6-12 30 101 13.50 6-12 30 012 43.63 30.3 3-7.2 30 098 13.50 6-12 30 004 13.50 6-12 30 101 13.50 6-12 30 012 43.63 38.4...
  • Page 56 Description Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 10-12 10-17.5 30 221 13.25 10-17.5 30 231 13.25 10-24 30 006 13.25 14.5 6-12 30 004 13.25 6-12 30 101 13.25 10-17.5 30 221 13.25 10-17.5 30 231 13.25 10-24...
  • Page 57 Description Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 10-12 1000 6-12 30 102 43.100 1250 72.2 6-12 30 103 43.125 13.8 10-17.5 30 231 13.6,3 10-24 30 006 13.6,3 10-17.5 30 231 13.6,3 10-17.5 30 231 13.10 10-24...
  • Page 58 Description Transformer HV HRC fuse U [kV] [kVA] [A] U [kV] e [mm] Order no. 15-17.5 24.3 10-17.5 30 231 13.40 10-24 30 006 13.40 10-17.5 30 232 13.50 10-24 30 014 13.50 10-24 30 014 43.63 5- 6 30.9 10-24 30 014 43.63 1000...
  • Page 59: Rating Plates

    Description 8.11 Rating plates Rating plate at the front (example) Rating plate inside the operating mechanism box (example) Switchgear type and year of manufacture Technical data Serial number Number of operating instructions Internal arc classification (option) Test mark for the performed acceptance test (German: Abnahme-Prüfung ) (pressure test) of the vessel 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 60: Switchgear Maintenance

    Auxiliary devices such as short-circuit indicators have to be recycled as electronic scrap. Batteries have to be recycled professionally. As delivered by Siemens, the switchgear does not contain hazardous materials as per the Hazardous Material Regulations applicable in the Federal Republic of Germany.
  • Page 61: Installation

    Installation Installation Preparing installation 11.1 Packing The transport units can be packed as follows: • On pallets, covered with PE protective foil • In a seaworthy crate (switchgear is sealed with desiccant bags in PE foil) • Other packings in special cases (e.g. latticed crate, cardboard cover for air freight) ATTENTION! Packing and consumable materials of the switchgear must be disposed of in an environmentally compatible way or recycled.
  • Page 62: Intermediate Storage

    Installation 11.3 Intermediate storage DANGER! Risk of injury and damage to the stored goods if the storage space is overloaded. Observe the load-bearing capacity of the floor. Do not stack the transport units. Do not overload lighter components by stacking. ATTENTION! Fire risk.
  • Page 63: Unloading And Transport To The Place Of Installation

    • Place all crates on planks and square timber for protection against floor humidity. • After 6 months of storage, have the desiccant agent regenerated professionally. To do this, ask for expert personnel via your regional Siemens representative. 11.4 Unloading and transport to the place of installation...
  • Page 64 Installation Unloading and transport in Transport the switchgear by means of a crane or a fork-lift truck. orginal packing Removing The transport units are screwed on the wooden pallets with transport angles or directly the wooden pallets in the switchgear subframe. Fig.
  • Page 65 Installation Switchgear transport with The crane eyes are supplied with the supplementary equipment. crane eyes To crane the transport unit, fix the crane eyes at the metal clamping bracket with one nut-and-washer assembly M8 x 40. Crane eye Metal clamping bracket Bolt M4 x 8 Fig.
  • Page 66 Installation ATTENTION! Danger due to swinging switchgear. The center of gravity is not always located under the fixing point. Lift the switchgear slowly. Keep the safety distances. Do not transport more than a maximum width of 2000 mm and a maximum height of 2.30 m in a block.
  • Page 67: Checking The Ready-For-Service Indicator

    Remove the front plate of the switchgear. Push the lever of the auxiliary switch carefully towards the switch. The ready-for-service indicator must be in the green area. If not, please stop installation and contact the Siemens representative. Fig. 38: Lever of auxiliary switch 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 68: Preparing The Foundation

    Installation 11.6 Preparing the foundation Please observe the following items when preparing the foundation: • A suitable foundation can be a false floor, a double floor or a reinforced-concrete foundation. The reinforced-concrete floor must be equipped with foundation rails for supporting the panels.
  • Page 69 Installation These measures basically enable proper operation of the switchgear itself. The planner or operator of the switchgear must decide whether additional measures are required depending on the electromagnetic environment where the switchgear is installed. Such measures must be implemented by the installation company in charge. In an environment with heavy electromagnetic interference it may be necessary to use shielded cables and wires for the external connections in order to avoid interferences in the low-voltage compartment and thus, undesired influences on the electronic...
  • Page 70: Switchgear Installation

    Installation Switchgear installation 12.1 Tools/auxiliary means • Standard tools, such as a torque wrench • Compensation shims with a thickness of 0.5 – 1.0 mm for floor unevenness • Cleaning agents (e.g. make ARAL 4005 or make HAKU 1025/90) • Soft, lint-free cloths 12.2 Installing the switchgear Preparations...
  • Page 71 Installation ATTENTION! To install the switchgear or the cables, the cross members can be removed. Then, the switchgear must not be moved anymore, as there are no braces to guarantee stability during the movement. Bring the switchgear to the required position. Remove the cross members.
  • Page 72 Installation Room planning Switchgear installation Please observe the following for room planning and switchgear installation: • Wall-standing arrangement - 1 row - 2 rows (for face-to-face arrangement) • Option: Free-standing arrangement - Switchgear dimensions - Floor openings: Dimensions (see Page 77, "Floor openings and fixing points") - Direction of pressure relief and the associated relief rooms (see Page 80, "Pressure relief options ") Pressure relief...
  • Page 73 Installation Switchgear installation with pressure relief downwards Fig. 42: Top view Fig. 41: Side view Switchgear installation with pressure relief downwards / to the rear (option) Fig. 43: Side view Floor opening Expanded metal (supplied by site) Direction of pressure relief for lined up switchgear Depending on national requirements.
  • Page 74 Installation Panel dimensions For binding switchgear dimensions, please refer to the order documentation (dimension drawing, front view). Weights For data, see Page 48, "Switchgear versions - Dimensions and weights". Fixing options The switchgear must be fixed to the foundation so as to guarantee sufficient pressure resistance.
  • Page 75 Installation Fig. 45: Mounting the lower partition (front view) The folding edges of the partition point to the rear. Upper partition Lower partition Earthing busbar Fig. 46: Mounting postiion of the lower partition (rear view) Then mount the cable bracket in theT panel. Take the cable bracket out of the supplementary equipment and fasten it at the necessary height.
  • Page 76 Installation Partition Adjustment rails Cable bracket Cable clamps Fig. 47: Mounting the cable bracket in the T panel Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9...
  • Page 77 Installation Floor openings and fixing points Standard* panel blocks For schemes: - RR - RK - KR - RRT - RRL For schemes: - RT - RL - KT - KL - RTR - RLR For schemes: - RRR - RRRR For schemes: - RRRT - RRRL...
  • Page 78 Installation For schemes: - K(E)T - K(E)L - TT - LL - TTT - LLL - TTTT - LLLL For schemes: - TK - LK - TR - LR - TRRT - LRRL * For panel versions with double cables and deep cable compartment cover, as well as for other versions, please order the dimension drawings.
  • Page 79 Installation Versions with deep cable Versions with deep cable compartment covers (e.g. for double cable connections). compartment covers Deep cable compartment cover without base extension: Deeper by 105 mm Deeper by 150 mm Deep cable compartment cover with base extension: Deeper by 105 mm Deeper by 300 mm Position of floor openings and fixing points for double cable connection in ring-main and...
  • Page 80: Pressure Relief Options

    Installation 12.3 Pressure relief options In the standard design, the pressure is relieved downwards. In the case of non- extendable panel blocks with an overall height of 1400 and 1700 mm and wall-standing arrangement, the pressure can optionally be relieved to the rear. Floor opening Direction of pressure relief Expanded metal (supplied by site)
  • Page 81: Switchgear Earthing

    Installation 12.4 Switchgear earthing In the case of non-extendable switchgear, the switchgear is connected to the substation earth through an earthing bolt. Earthing point (earthing bolt M12) Fig. 51: Earthing via earthing point in non-extendable switchgear on the left or right switchgear side - view from outside on the right Fig.
  • Page 82: Retrofit Of Motor Operating Mechanism

    Installation 12.5 Retrofit of motor operating mechanism Options for The manual operating mechanisms of 8DJH switchgear can be equipped with motor motor operating operating mechanisms for the three-position switch-disconnector. mechanism Fig. 53: Motor block assembly of spring-operated mechanism in ring-main feeder Fig.
  • Page 83: Electrical Connections

    Installation Electrical connections 13.1 Connecting high-voltage cables For common features and suitable cable sets (see Page 27, "Cable connection"). ATTENTION! The high-quality joints at the bushings can easily be damaged by incorrect handling. Observe extreme cleanliness. Avoid damages caused by the threaded bolt while pushing on. ATTENTION! If there are any spare feeders without connected cables, please observe the following: Switch the three-position switch to "EARTHED"...
  • Page 84 Installation Connecting feeder cables Phase L1: Make Euromold, type K400 TB as cable T-plug * Phase L2: Make Euromold, type K400 TB as cable T-plug * Phase L3: Make Euromold, type K400 TB as cable T-plug * Earthing connection for the cable shield and the plug housing Cable bracket Cable clamp...
  • Page 85 Installation If necessary, detach the cross members to swing in the cables. Pre-adjust the cable bracket and the lower part of the cable clamps If available, mount cable-type current transformers (see Page 93, "Cable connection with cable-type current transformers". Fit the plugs on the conductor ends according to the manufacturer’s instructions. Carefully coat the push-on surfaces (high-quality joints) in the plug sets and the bushing cone with mounting paste (scope of supply of the plug set).
  • Page 86 Installation Assembly operations at Remove upper cross member. the panel for fastening To do this, undo the two bolt-and-washer assemblies M8 x 20. the cable plug Raychem RICS5xxx with RDA 24 Fig. 57: Removing bolt-and-washer assemblies at the upper cross member. Fig.
  • Page 87 Installation Mount cable plug type Rayschem RICS5xxx with surge arrester RAD according to the manufacturer's instructions (see order documents). Fasten adapter feet with hexagonal nuts M12 and strain washers to the surge arrester plate. Fig. 59: Push the surge arrester plate between the hexagonal nuts M12 of the adapter feet, and tighten it.
  • Page 88 Installation Fig. 61: Mounting the surge arrester plate with bolt-and-washer assemblies and washers on the upper cross member. Completely assembled surge arrester plate: Surge arrester plate Locknut pre-assembled on the surge arrester plate at the factory Upper washer (pre-assembled by the manufacturer) Bolt-and-washer assembly (pre-assembled by the manufacturer) Bolt-and-washer assembly M8 x 16 with locknut...
  • Page 89 For connection of unscreened cable plugs / surge arresters, keep the necessary minimum distances according to the manufacturer’s instructions. If the minimum distances cannot be kept, please contact your regional Siemens representative. 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 90 Installation Cable installation in switchgear with pressure absorber up to 16 kA Cable compartment cover Cross member Fig. 62: Switchgear with pressure absorber up to 16 kA Remove the two thread-ridging screws M6 of the cable compartment cover Lift the cable compartment cover and remove it to the front.. Remove the cross member .
  • Page 91 Installation Fig. 63: Inserting the front floor cover and the rubber sleeves (switchgear up to 16 kA) Rubber sleeves for cable entry (diameter 70 mm) Front floor cover If required, use rubber sleeves for control cables (diameter 56 mm) / screened cable plugs Mount the cross member and the cable compartment cover.
  • Page 92 Installation Remove the two thread-ridging screws M6 of the cable compartment cover Lift the cable compartment cover and remove it to the front.. Remove the cross member To do this, undo the 4 bolt-and-washer assemblies M8. Remove the front plate of the pressure absorber.
  • Page 93: Cable Connection With Cable-Type Current Transformers

    Installation 13.2 Cable connection with cable-type current transformers Mounting position of The transformer mounting plates are pre-assembled on the cable bracket at the factory. cable-type current The cable-type current transformers are supplied in the cable compartment and must be transformers mounted on the high-voltage cables at site.
  • Page 94 Installation Principle of installation for cable-type current transformers Cable plug Cable bracket Transformer mounting plate Cable-type current transformer Cable shield Fig. 67: Cable connection with cable-type current transformers type 4MC7033 Installation of cable-type Remove the cable compartment cover. current transformers If necessary, remove the lower cross member of the switchgear frame.
  • Page 95: Connecting Secondary Equipment

    Installation 13.3 Connecting secondary equipment Wiring duct Ready-for-service indicator Terminal strip Customer-side wiring Fig. 68: 8DJH: Operating mechanism box of ring-main panel The terminal strips of the secondary equipment supplied are assigned to the associated operating mechanisms/feeders. For external connection you will require the circuit diagrams supplied.
  • Page 96: Correcting Circuit Diagrams

    Note any modifications which may have been made during installation or commissioning in the supplied circuit diagrams. Send the corrected documentation to the regional Siemens representative so that the modifications can be included. Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9...
  • Page 97: Commissioning

    Installation Commissioning ATTENTION! During operation of electrical equipment and switchgear, parts of this equipment are under dangerous electrical voltage. Mechanical components may move quickly, even remotely controlled. Do not remove covers. Do not reach into openings. 14.1 Final tests after installation Rating plate Check the data on the rating plate and the auxiliary voltage of the control and end devices according to the requirements.
  • Page 98: Mechanical And Electrical Function Test

    Check whether the switch positions of the three-position switches are displayed correctly. Malfunction during If there are any faults that cannot be cleared at site: test operation Do not put the switchgear into operation. Inform the competent Siemens representative. Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9...
  • Page 99: Preparing The Power-Frequency Voltage Test

    Installation 14.3 Preparing the power-frequency voltage test On request, a power-frequency voltage test can be performed at site on the ready- assembled switchgear. In this case, prepare the test as follows: The voltage transformers as well as the surge arresters and surge limiters must be removed.
  • Page 100 Installation Plug the measuring cables of the phase comparison test unit into the "L1" test sockets of the two panels. Read the indication. Proceed in the same way with the test sockets of the two other phases ("L2" and "L3"). If the test unit shows "coincidence"...
  • Page 101: Operation

    Operation Operation DANGER! The internal arc classification of the switchgear according to IEC 62271-200 has only been proved by tests for the switchgear sides with internal arc classification and with closed high-voltage compartments. Determine the IAC classification of the switchgear by means of the data on the rating plate (see Page 59, "Rating plates").
  • Page 102: Indicators And Control Elements

    Operation Indicators and control elements Fig. 71: 8DJH: RRT block Short-circuit/earth-fault indicator Manual operation for the mechanism of the earthing function CLOSED/OPEN ON/OFF-pushbutton for motor operating mechanism (option) "Fuse tripped" indicator Local/remote switch for motor operating mechanism (option) Manual operation for the mechanism of ’ the load-break function CLOSED/OPEN Ready-for-service indicator Control gate/locking device...
  • Page 103: The Three-Position Switch-Disconnector

    Operation Operating the three-position switch-disconnector DANGER! During operation of electrical equipment and switchgear, parts of this equipment are under dangerous electrical voltage. Mechanical components may move quickly, even remotely controlled. Do not remove covers. Do not reach into openings. DANGER! If the gas filling is insufficient, this can cause personal injuries and material damages.
  • Page 104: Operations

    Operation 16.1 Operations Fig. 72: Standard: Single-lever operation wth black handle and coding as universal lever. Alternative 1: One operating lever with red handle for earthing and de-earthing, and one operating lever with black handle for load breaking. Alternative 2: Single-lever operation with anti-reflex lever, with and without coding.
  • Page 105: Protection Tripping For The Three-Position Switch-Disconnector With Spring-Operated/Stored-Energy Mechanism

    Operation Padlock Down Center Actuating opening Earthing switch Disconnector/switch- Circuit-breaker/transformer disconnector switch Possible switching Only EARTHING and DE- No switching operations - Only CLOSING and - Charging the spring operations EARTHING possible possible OPENING possible - Only possible if the circuit- breaker is open 16.2 Protection tripping for the three-position switch-disconnector with spring-operated/...
  • Page 106: Ring-Main And Circuit-Breaker Panels: Operating The Three-Position Switch

    Operation 16.3 Ring-main and circuit-breaker panels: Operating the three-position switch Connecting the feeder to the busbar: Initial situation (three-position switch Push control gate upwards Switch three-position switch to Remove operating lever (control gate OPEN, earthing switch OPEN) CLOSED position (insert operating returns to its initial position) lever and turn approx.
  • Page 107 Operation Feeder earthing: Initial situation (three-position switch Push control gate downwards Switch earthing switch to CLOSED Remove operating lever (control gate OPEN, earthing switch OPEN) position (insert operating lever and turn returns to its initial position) approx. 55° clockwise) Feeder de-earthing: Initial situation (three-position switch Push control gate downwards Switch earthing switch to OPEN...
  • Page 108: Operating The Transformer Feeder

    Operation 16.4 Operating the transformer feeder Connecting the transformer feeder to the busbar Initial situation OPEN. Push control gate upwards. Insert operating lever and turn 70° clockwise. Remove operating lever (control gate returns to its initial position). Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9...
  • Page 109 Operation Actuate the "ON" pushbutton. The feeder is closed. Disconnecting the transformer feeder from the busbar Initial situation CLOSED. Actuate the "OFF" pushbutton. The feeder is open. 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 110 Operation Earthing the transformer feeder Initial situation OPEN. Push control gate downwards. Insert operating lever and turn 55° clockwise. Remove operating lever (control gate returns to its initial position). The feeder is earthed. Revision 03 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * 500-8067.9...
  • Page 111 Operation De-earthing the transformer feeder Initial situation EARTHED. Push control gate downwards. Insert operating lever and turn 55° counter-clockwise. Remove operating lever (control gate returns to its initial position). The feeder is de-earthed. 500-8067.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8DJH * Revision 03...
  • Page 112: Operating The Vacuum Circuit-Breaker Type 2

    Operation Operating the vacuum circuit-breaker type 2 Possible switching operations: • Manual local operation, i.e. at the panel itself • Electrical remote operation, e.g. from the control center • Automatic operation from the installed protection equipment, e.g. SIPROTEC If the circuit-breaker is equipped with a motor operating mechanism, the closing and opening springs are charged automatically after applying auxiliary voltage.
  • Page 113: Closing The Circuit-Breaker Type 2 "Locally

    Operation 17.1 Closing the circuit-breaker type 2 "locally" How to close the circuit-breaker depends on the equipment of the switchgear panel. There are two versions of circuit-breaker operating mechanisms: • Stored-energy spring mechanism • Stored-energy spring mechanism with motor (option) Closing with Make sure that the closing and opening springs of the stored-energy mechanism stored-energy mechanism...
  • Page 114: Charging The Spring Energy Store Manually

    Operation 17.3 Charging the spring energy store manually During manual operation or if the auxiliary voltage fails (motor operating mechanism), the spring energy store must be charged manually. The closing and opening springs are charged automatically after applying control voltage. Auxiliary means required: Operating lever.
  • Page 115: Closing The Three-Position Disconnector In The Circuit-Breaker Panel Type 2

    Operation 17.4 Closing the three-position disconnector in the circuit-breaker panel type 2 ATTENTION! Please do absolutely observe the following: The max. service life of the circuit-breaker panel depends on the permissible number of switching operations of the switching device used (see Page 44, "Vacuum circuit-breaker "...
  • Page 116: Opening The Three-Position Disconnector In The Circuit-Breaker Panel Type 2

    Operation 17.5 Opening the three-position disconnector in the circuit-breaker panel type 2 ATTENTION! Please do absolutely observe the following: The max. service life of the circuit-breaker panel depends on the permissible number of switching operations of the switching device used (see Page 44, "Vacuum circuit-breaker "...
  • Page 117: Three-Position Disconnector In The Circuit-Breaker Panel Type 2: Earthed Position

    Operation 17.6 Three-position disconnector in the circuit-breaker panel type 2: EARTHED position Push the control gate of the disconnector downwards. The actuating opening is free. Insert the operating lever and turn 55° clockwise. Remove the operating lever. The control gate moves to the center position automatically. The actuating opening is closed.
  • Page 118: Deactivating The Earthed Position

    Operation 17.7 Three-position disconnector in the circuit-breaker panel type 2: Deactivating the EARTHED position Push the control gate of the disconnector downwards. The actuating opening for the earthing switch is free. Insert the operating lever and turn 55 ° counter-clockwise. Remove the operating lever.
  • Page 119: Verification Of Safe Isolation From Supply

    Operation Verification of safe isolation from supply DANGER! Mortal danger if safe isolation from supply is verified incorrectly! Verify the perfect function of the voltage indicator and the coupling section in accordance with national standards - on live equipment - with a test unit according to IEC 61243-5/EN 61243-5 - on all poles Use only voltage indicators or devices to test the function of the coupling section according to EN 61 243-5 / IEC 61 243-5 / VDE 0682-415.
  • Page 120: Replacing Hv Hrc Fuse-Links

    Operation Replacing HV HRC fuse-links For data to usable HV HRC fuse-links, see Page 24, "HV HRC fuse assembly" and see Page 53, "Transformer protection table: Recommendation for the allocation of HV HRC fuse-links make SIBA and transformers". Removing the HV HRC fuse The HV HRC fuse compartment cover can only be removed if the earthing switch is in compartment cover "EARTHED"...
  • Page 121 Operation Removing the HV HRC fuse slide ATTENTION! HV HRC fuse-links may be hot! Let HV HRC fuse-links cool down or wear gloves to withdraw the fuse slide. Withdraw the HV HRC fuse slide with the fuse-link. Replacing If one HV HRC fuse has tripped, always replace the fuses in all three phases. HV HRC fuse-links ATTENTION! Incorrectly selected or mounted fuse-links and extension tubes can damage the fuse...
  • Page 122 Operation Push the cover of the HV HRC fuse-link (on the opposite side of the housing cover) aside, and pull the HV HRC fuse out of the fuse slide. Fit new HV HRC fuse-link into the contact springs observing the striker position. The arrow on the HV HRC fuse points to the housing cover.
  • Page 123 Operation Inserting the HV HRC fuse slide into the guide slot of the HV HRC fuse box. Insert the HV HRC fuse slide into the HV HRC fuse box as far as it will go. The collar of the HV HRC fuse slide cover must rest on the cast-resin frame of the HV HRC fuse box.
  • Page 124: Cable Testing

    Operation Cable testing 20.1 Cable testing via cable plugs DANGER! Cable testing with connected cables represents a special stress for the isolating distance. If the busbar of the switchgear under test or the opposite substation are live with operating voltage, adequate measures must be taken in order to prevent overvoltages.
  • Page 125 Operation Testing Maximum values for the test voltage: Rated voltage of the switchgear DC test voltage, maximum value AC test voltage VLF* 0.1 Hz, maximum [kV] [kV] value [kV] * Very Low Frequency ATTENTION! Cables, cable plugs and voltage detecting systems may be damaged by too high test voltages.
  • Page 126: Cable Sheath Testing

    Operation 20.2 Cable sheath testing DANGER! Normally, the switch-disconnector panel is not interlocked during the cable sheath test. Prevent switching to OPEN or CLOSED position as follows: Fit switching prohibition signs. Secure the locking device (option) with a lock. Closing lock-out (option) ATTENTION! In cable panels type K, the switching operation for the EARTHED position has no influence on the voltage state of the radial cable behind the screwed-on cable...
  • Page 127: Index

    Index Accessories ..............39 High-voltage cables, connection ........83 Applying, operating voltage ......... 99 HV HRC fuse assembly..........24 Auto-reclosing, circuit-breaker type 2 ......112 HV HRC fuse-links, replacing ........120 Cable compartment covers ......... 23 Indicators ..............102 Cable connection............27 Installation..............61 Cable sheath testing...........126 Interlocks..............
  • Page 128 Signal terms and definitions .......... 5 Three-position switch, operation ........106 Spring energy store, manual charging, Three-position switch-disconnector, operation ...103 circuit-breaker type 2 ..........114 Three-position switch-disconnector, technical data ..42 Standards and guidelines..........47 Tools ................70 Stored-energy mechanism, Transformer feeder, operation ........108 closing circuit-breaker with .........113 Transformer protection table ........
  • Page 129 Imprint Siemens AG Energy Sector Division Power Distribution Schaltanlagenwerk Frankfurt Carl-Benz-Str. 22 D-60386 Frankfurt © Siemens AG 2009...

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