Siemens SDV-R Instruction Manual
Siemens SDV-R Instruction Manual

Siemens SDV-R Instruction Manual

Non-arc-resistant and arc-resistant distribution circuit breakers

Advertisement

Quick Links

Instruction manual
| Types SDV-R and SDV-R-AR distribution circuit breakers
SDV-R
SDV-R-AR
SIDS-T40038-00-4AUS
SDV-R™ and SDV-R-AR™
non-arc-resistant and arc-resistant
distribution circuit breakers
instruction manual
Installation operation maintenance
usa.siemens.com/sdv
1

Advertisement

Table of Contents
loading

Summary of Contents for Siemens SDV-R

  • Page 1 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers SDV-R SDV-R-AR SIDS-T40038-00-4AUS SDV-R™ and SDV-R-AR™ non-arc-resistant and arc-resistant distribution circuit breakers instruction manual Installation operation maintenance usa.siemens.com/sdv...
  • Page 2 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Arc flash and explosion hazard. Will cause death, serious injury or property damage. No equipment can completely eliminate the risk of arc flash. This equipment is not arc-resistant unless all of the following conditions are met: 1.
  • Page 3: Table Of Contents

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Hazardous voltages and high-speed moving parts. Will cause death, serious injury or property damage. Always de-energize and ground the equipment before maintenance. Read and understand this instruction manual before using equipment. Maintenance should be performed only by qualified personnel.
  • Page 4: Introduction

    Will cause death, serious injury or property damage. No equipment can completely eleminate the risk of arc flash. SDV-R-AR equipment is not arc-resistant unless all of the following conditions are met: All pressure relief devices are free to operate as designed.
  • Page 5 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Introduction Field service operation and warranty The SDV-R family of distribution circuit issues breakers is designed to meet all applicable Siemens can provide competent, well-trained ANSI, NEMA, and IEEE standards.
  • Page 6: General Description

    Should additional information be desired, Figure 1: Typical types SDV-R-AR and SDV-R distribution circuit breakers including replacement instruction manuals, contact your local Siemens representative. To provide additional personal protection in...
  • Page 7 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Scope Siemens distribution circuit breakers carry a Operator Type These instructions cover the installation, type designation, as shown in Table 1. This SDV-R operation and maintenance of a Siemens type...
  • Page 8: Receiving, Handling And Storage

    Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Receiving, handling, Receiving Shipping damage claims Each type SDV-R distribution circuit breaker is Important: The manner in which visible securely blocked and braced for shipment. It shipping damage is identified by consignee...
  • Page 9 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers and storage Important: Do not move equipment from Note: Shipments are not released from the place it was set when unloading. the factory without a clear bill of lading. Also, do not remove or disturb packaging...
  • Page 10 Storage Verify the forklift blades pass completely When it is necessary to store a type SDV-R through the wooden skid under the circuit distribution circuit breaker in an area breaker.
  • Page 11: Installation

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Installation Preparation for installation Use anti-seize compound (Loctite* 77164 or * Loctite is a registered trademark of Henkel Corporation. Prior to installation of the type SDV-R 77124 nickel anti-seize) on the 1/2-13 SAE...
  • Page 12 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 3: Outline drawing 2-4-6 1-3-5 Ø Operator High-voltage compartment compartment Relay and control compartment Ground pads on diagonally opposite corners 38.0 kV 38.0 kV 38.0 kV 38.0 kV Item...
  • Page 13 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Figure 4: Anchoring type SDV-R-AR distribution circuit breaker 38.0 kV 38.0 kV 38.0 kV 1,200 A- 1,200 A- 1,200 A- Item 2,000 A Item 2,000 A Item 2,000 A 67.4 (1,714) 62.1 (1,578)
  • Page 14: Electrical Connections

    Hazardous voltages and high speed moving parts. Will cause death, serious injury or property damage. Do not work on energized equipment and SDV-R integral ground switch is not meant to be a personnel safety ground. Always de-energize and ground high-voltage conductors before working on or near them. The...
  • Page 15: Instrument Transformers

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Instrument transformers Hazardous voltages. Will cause death, serious injury or property damage. Do not operate current transformers with the secondary open circuited. Current transformers must be either connected to a load or short circuited.
  • Page 16 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 6: Type SDV-R-AR distribution circuit breaker with interphase barriers and bushing current transformers installed in primary compartment 1-3-5 2-4-6 Item Description Bushing current transformer (one per bushing shown) Phase barriers...
  • Page 17: Inspections, Checks And Tests

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Inspections, checks and tests Hazardous voltages and high speed moving parts. Will cause death, serious injury or property damage. Read instruction manuals, observe safety instructions and use qualified personnel. Introduction...
  • Page 18 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 7: Relay and control and operator compartments for type SDV-R circuit breaker with stored-energy operator 2-4-6 1-3-5 Item Description External manual trip Control disconnect device Relay and control compartment...
  • Page 19 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Manual spring-charging check Automatic spring-charging check 1. Insert the manual spring-charging crank Note: A temporary source of control power into the manual charge socket as shown and test leads may be required if the control...
  • Page 20 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual External manual trip 2. Confirm the circuit breaker is properly set 1. Energize control power circuit by closing up and reasonably level on its foundation knife switch shown in Figure 7: Relay and...
  • Page 21 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers High potential tests employ hazardous voltages. Will cause death or serious injury. Follow safe procedures, exclude unnecessary personnel and use safety barriers. Keep away from circuit breaker during application of test voltages.
  • Page 22 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Rated Rated power- 4. Verify main contact status indicator shows maximum voltage frequency withstand Field-test voltage CLOSED. Press the trip pushbutton and verify the main contact status indicator kV (rms)
  • Page 23: Type 3Ah35-Sdv-R Vacuum Circuit Breaker Operator Module

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Type 3AH35-SDV-R vacuum circuit breaker operator module Figure 8: Vacuum circuit breaker operator module Item Description Vacuum circuit breaker 10.0 fixed-connection pad 10.0 Ground switch fixed- 11.0 end connection pad 20.0...
  • Page 24 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Introduction The type 3AH35-SDV-R vacuum circuit breaker operator is intended for stationary applications, such as in the SDV-R and SDV- R-AR outdoor distribution circuit breakers. The type 3AH35-SDV-R circuit breaker...
  • Page 25 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Stored-energy operating mechanism The circuit breaker vacuum interrupter fixed The stored-energy operating mechanism of contacts are bolted to the upper fixed-end the operator is an integrated arrangement pole heads while the moving contact ends...
  • Page 26 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 12: Stored-energy operating mechanism shown in OPEN position 75.0 81.0 71.0 60.5 66.0 64.0 70.0 82.0 61.0 63.0 59.0 73.0 65.0 58.0 77.0 67.0 80.0 79.0 74.0 73.0 62.0 83.0...
  • Page 27 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers When a circuit breaker closing command is initiated, the closing spring (79.0), that was previously charged by hand or by the motor, actuates the moving contacts through the 16.0 drive main shafts (68.0), levers (25.1, 25.2 and 25.3), insulating connecting rods...
  • Page 28 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Construction Charging The essential parts of the operating The details of the closing spring charging mechanism are shown in Figure 12: Stored- mechanism are shown in Figure 17: Stored- energy operating mechanism (circuit energy operating mechanism shown in breaker shown in OPEN position).
  • Page 29 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Closing Refer to details shown in Figure 17: Stored- energy operating mechanism shown in OPEN position on page 30 and Figure 16: Operating mechanism section diagram mechanism OPEN/ CLOSE, closing spring DISCHARGED/ CHARGED).
  • Page 30 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 17: Operator sequential operation diagram Closing Anti-pumping feature (52Y) assures a continuously applied closing command does not cause the Control voltage circuit breaker to reclose automatically after it has tripped out on a fault.
  • Page 31 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Manual operation Close coil (52SRC) Electrically operated vacuum circuit breakers The close coil (3AY1510) is a standard can be operated manually if the control component of the circuit breaker that is supply should fail.
  • Page 32 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Figure 18: Typical elementary diagram Legend: 01/C Control switch close (remote) Red indicating light (remote) Schematic shown with closing 01/T Control switch trip (remote) Closing spring position switch, closed springs discharged and circuit...
  • Page 33 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Indirect releases - secondary shunt Item Description release (auxiliary trip) (52T1) or Magnet core undervoltage Housing The indirect release provides for the Mounting holes conversion of modest control signals into Magnet coil powerful mechanical-energy impulses.
  • Page 34 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual The armature (9.0) is pivoted in front of the Item Description Cancel the lock for the undervoltage release by shifting the locking screw (29.0) from A to B. poles of the U-shaped magnet core (1.0) 23.0...
  • Page 35 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Capacitor trip device The capacitor trip device is an auxiliary tripping option providing a short-term means of storing adequate electrical energy to ensure circuit breaker tripping. If provided, a capacitor trip device must be...
  • Page 36: Maintenance

    Hazardous voltages and high speed moving parts. Will cause death, serious injury or property damage. Do not work on energized equipment and SDV-R integral ground switch is not meant to be a personnel safety ground. Always de-energize and ground high-voltage conductors before working on or near them. The...
  • Page 37 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers The definition of “usual service conditions” is Maintenance personnel should be trained in subject to a variety of interpretations. the safety practices, procedures and Because of this, the user is best served by...
  • Page 38 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Recommended hand tools Recommended maintenance and Type SDV-R distribution circuit breakers use lubrication both standard SAE (U.S. customary) and Periodic maintenance and lubrication should metric fasteners. Metric fasteners are used for...
  • Page 39 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Table 4: Periodic maintenance and lubrication tasks Sub-assembly Item Inspect for 1. Cleanliness. 2. Contact erosion. Note: Perform with manual-spring checks. Vacuum interrupter 3. Vacuum integrity. Primary power path Note: Perform with high-potential tests.
  • Page 40 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Cleanliness check Figure 23 is a side view of the type SDV-R Item Description distribution circuit breaker showing the Bushings vacuum interrupters, bus connections, and roof bushings. All of these components must...
  • Page 41 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Maintenance and lubrication Check all components for evidence of Table 3 on page 36 presents the excessive wear. Place special attention upon recommended maintenance intervals for the the closing spring-crank and the insulating type SDV-R distribution circuit breakers.
  • Page 42 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual High-speed moving parts. Can result in serious injury. Tripping spring is charged. If trip latch is moved, the stored-energy springs will discharge rapidly. Stay clear of circuit breaker components that are subject to sudden, high-speed movement.
  • Page 43 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Hazardous voltage and high-speed moving parts. Will cause death, serious injury, and property damage. Do not bypass interlocks or otherwise make interlocks inoperative. Interlocks must be in operation at all times.
  • Page 44 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Checks of the spring-charging motor Figure 26: VSG/VSS40-0-40-A1 electrical contact life No additional checks of the spring-charging motor are necessary. If it is necessary to Siemens VSG/VSS40-0-40 and all variants electrical contact life...
  • Page 45 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers High-potential tests Note: This test includes not only the vacuum The next series of tests (vacuum-integrity test interrupter, but also the other insulation and insulation tests) involve use of high- components in parallel with the vacuum interrupter.
  • Page 46 Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Insulation and contact-resistance test 13. If no disruptive discharge occurs, the procedure secondary control insulation level is Observe safety precautions listed in the satisfactory. danger and caution advisories for the 14.
  • Page 47 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Protective relays and instruments The type SDV-R distribution circuit breaker can be equipped with a protective relay Risk of insulation damage with use of package supplied on a hinged panel mounted incorrect compounds.
  • Page 48: Troubleshooting

    Troubleshooting Introduction The following procedures along with the troubleshooting charts at the end of this section, provide maintenance personnel with a guide to identifying and correcting possible malfunctions of the type SDV-R distribution circuit breaker. Table 5: Troubleshooting Problem Symptoms Possible causes and remedies 1.
  • Page 49 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Table 5: Troubleshooting (continued) Problem Symptoms Possible causes and remedies Closing coil energizes. Sound of circuit 1. Mechanical failure of operating mechanism. Closing springs charge breaker closing is Check and contact the factory or Siemens Circuit breaker fails to close.
  • Page 50: Overhaul

    Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Overhaul Hazardous voltages and high-speed moving parts. Can cause death, serious injury, or property damage. All replacement of circuit breaker components must be performed with the circuit breaker completely de-energized and the springs discharged.
  • Page 51 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Hydraulic shock absorber After and internal arcing fault The mechanism is equipped with a hydraulic In the unlikely event of an internal arcing shock-absorber that functions when the fault, de-energize and isolate all primary and circuit breaker opens.
  • Page 52: Disposal

    Types SDV-R and SDV-R-AR distribution circuit breakers | Instruction manual Disposal Stored energy. Can cause death, serious injury, or property damage. Mechanisms contain stored energy, which may be released during disassembly. Wear suitable protection and take appropriate precautions when disconnecting and removing moving parts.
  • Page 53: Appendix

    Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Appendix Table 7: Technical ratings Rated withstand Rated transient voltages Rated recovery voltage Rated Rated short- permissible closing Rated Lightning circuit and Rated Rated time to tripping maximum impulse Power...
  • Page 54 250 Vdc Non-inductive circuit interrupting capacity in A Circuit breaker auxiliary switch Inductive circuit interrupting capacity in A Table 10: Type SDV-R distribution circuit breaker weight in lbs (kg) Continuous current Footnotes: Seismic Weight does not include shipping pallet. Voltage...
  • Page 55 Instruction manual | Types SDV-R and SDV-R-AR distribution circuit breakers Table 12: Technical ratings Item Unit 38.0 kV Footnotes: Circuit breaker is in closed Lightning impulse withstand voltage position. • Full wave 1.2/50 µs User must supply external time •...
  • Page 56 Actual results are dependent on variable conditions. Accordingly, Siemens does not make representations, warranties, or assurances as to the accuracy, currency or completeness of the content contained herein. If requested, we will provide specific technical data or specifications with respect to any customer’s...

This manual is also suitable for:

Sdv-r-ar

Table of Contents