Related Manuals for Bender EDS309 Series
Summary of Contents for Bender EDS309 Series
- Page 1 Manual EDS3090 …91, …92, …96 Portable equipment for insulation fault location for energised and deenergised AC and DC systems Software version: D399 V2.1 EDS309x_D00012_05_M_XXEN/12.2017...
- Page 2 Bender GmbH & Co. KG © Bender GmbH & Co. KG P.O.Box 1161 • 35301 Grünberg • Germany All rights reserved. Londorfer Straße 65 • 35305 Grünberg • Germany Reprinting only with permission Tel.: +49 6401 807-0 • Fax: +49 6401 807-259 of the publisher.
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Page 3: Table Of Contents
Table of Contents 1. Important information ................... 7 How to use this manual ......................7 Technical support: Service and support ................8 1.2.1 First level support ........................8 1.2.2 Repair service ..........................8 1.2.3 Field service ..........................8 Training courses ........................8 Delivery conditions ......................... - Page 4 Table of Contents 4. Considerations prior to use ................21 How does the equipment for insulation fault location work ........ 21 Requirements for reliable insulation fault location ........... 22 Reduced locating current ....................24 Response sensitivity characteristics of the EDS195PM ..........24 4.4.1 Response characteristics for main circuits in 3AC systems ........
- Page 5 Table of Contents 6.7.2 RCM measurement (IΔn) ....................39 6.7.2.1 Standard display for RCM measurement (IΔn) with cable in the clamp ..39 Alarms during EDS measurement or RCM measurement ........40 Indication of device and measuring errors ..............40 6.10 Factory settings EDS195PM (state as supplied) ............
- Page 6 8. Frequently Asked Questions ................64 9. Additional fault location information using the EDS309x ......65 Required equipment: ......................65 IRDH575B2- 435................... (B91065503) 65 Collecting and analysing information ................65 Taking measurements ......................66 INDEX ........................... 71 EDS309x_D00012_05_M_XXEN/12.2017...
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Page 7: Important Information
1. Important information 1.1 How to use this manual Always keep this manual within easy reach for future reference. To make it easier for you to understand and revisit certain sections in this manual, we have used sym- bols to identify important instructions and information. The meaning of these symbols is explained below:: The signal word indicates that there is a high risk danger that will result in elec- trocution or serious injury if not avoided. -
Page 8: Technical Support: Service And Support
**Mon-Thurs 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m. 1.3 Training courses Bender is happy to provide training regarding the use of test equipment. The dates of training courses and workshops can be found on the Internet at www.bender-de.com - > Know-how -> Seminars. EDS309x_D00012_05_M_XXEN/12.2017... -
Page 9: Delivery Conditions
Inspect the dispatch and equipment packaging for damage, and compare the contents of the pack- age with the delivery documents. In the event of damage in transit, please contact Bender immedi- ately. The devices must only be stored in areas where they are protected from dust, damp, and spray and dripping water, and in which the specified storage temperatures can be ensured. -
Page 10: Overview Of Chapters
Important information 1.8 Overview of chapters 1. How to get the most out of this manual: This chapter provides information about using this documentation. 2. Safety instructions: This section provides information about risks affecting installation and operation. 3. System description: In this chapter you will find an overview of the system components, a description of their func- tion and the basic principles of insulation fault location. -
Page 11: Safety Instructions
The locating voltage of DC 50 V produced by the locating current injector PGH186 can cause interference at sensitive system components. In case of doubt, contact Bender. The locating current from the PGH185 or PGH186 can cause residual current de- vices to trip. - Page 12 Safety instructions It is necessary to aim for the best possible conductor symmetry in the measuring clamp. Otherwise the measuring clamp may go into saturation due to an exces- sively high load current and cause an alarm I >10A. ∆ EDS309x_D00012_05_M_XXEN/12.2017...
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Page 13: System Description
3. System description 3.1 System components On page 63, you will find a detailed overview of the scope of delivery of the EDS309x versions. The following illustration provides a choice of the possible components. 3.1.1 Overview of system components The primary task of the EDS309… is insulation fault location in IT systems. For this purpose the individual components of the EDS309…... -
Page 14: Insulation Fault Location Equipment Type List
System description 3.1.2 Insulation fault location equipment type list It is possible to undertake a residual current measurement in TT and TN systems (earthed systems) using all the device variants listed below. The following overview describes which measuring tasks can be undertaken with which models: Equipment for insulation fault location in main circuits 1. -
Page 15: Accessories
This state- ment also applies to measuring clamps or measuring current transformers from the Bender range that are not expressly intended to be used with the EDS309…. Along with the measuring clamps supplied, it is allowed to connect to the EDS195PM the following measuring current transformers from the Bender series: WF…... -
Page 16: Function Of The System Components
System description 3.2 Function of the system components 3.2.1 Locating current injector PGH18… The PGH18… generates a defined locating current. The magnitude of the current is dependent on the insulation fault present and the system voltage. The PGH185 or PGH186 limits the locating current to maximum 25 mA or maximum 10 mA ... -
Page 17: Coupling Device Age185
System description 3.2.4 Coupling device AGE185 The coupling device AGE185 expands the nominal voltage range of the equipment for insulation fault location EDS309…. It enables the equipment to be connected to system nominal voltages up to AC 790 V or DC 960 V. 3.3 Operating principle for insulation fault location (I ΔL On the occurrence of the first insulation fault in IT systems a residual current flows that is essentially... -
Page 18: Schematic Diagram Eds System
System description 3.3.1 Schematic diagram EDS system IT system L1(L+) L2(L-) PSA... PGH... EDS195PM EDS195PM Insulation fault locator PGH… Locating current injector IT system voltage PSA… Measuring clamp Insulation fault Protective earth conductor 3.3.2 Test cycle The locating current pulse cycle has a duration of 6 seconds. The PGH… sends alternating positive and negative locating current pulses. -
Page 19: Definitions
System description 3.3.3 Definitions = Locating current that flows through the locating current injector while the fault location is running (EDS mode). = Locating current measured by the insulation fault locator (EDS mode). ∆L = Residual current produced by an insulation fault (RCM mode). ∆n 3.3.4 Currents in the EDS system... -
Page 20: Operating Principle For Residual Current Measurement (Iδn)
System description 3.4 Operating principle for residual current measurement (I Δn In the RCM mode the EDS309… operates based on the principle of residual current measurement. In this case only the insulation fault locator EDS195PM and a measuring clamp are used, the locating current injector PGH18…... -
Page 21: Considerations Prior To Use
4. Considerations prior to use 4.1 How does the equipment for insulation fault location work The equipment comprises a locating current injector PGH18… and an insulation fault locator EDS195PM with measuring clamp PSA3… connected. Functional sequence Insulation fault location is started by activating the locating current injector PGH18… ... -
Page 22: Requirements For Reliable Insulation Fault Location
Considerations prior to use 4.2 Requirements for reliable insulation fault location The insulation fault locator has the task of locating the insulation fault R of the meas- downstream uring clamp. For this purpose, it must reliably detect the locating current caused by the insulation fault. - Page 23 Considerations prior to use Frequency range Insula on fault loca on EDS195PM Permissible Frequency and Residual current range Frequency [Hz] Abb. 4.3: Fault curve: A residual current of 2 A at 10 Hz is outside the permitted frequency range (red dot) ==> a valid measurement is not possible! There must be no connections between outgoing circuits downstream of measuring clamp because such connections will produce interfering residual...
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Page 24: Reduced Locating Current
Considerations prior to use 4.3 Reduced locating current Particularly in DC control voltage systems in the power station and public utility sector there may be relays or PLCs installed that switch at relatively low currents. In such a case the I switch on the PGH18…... - Page 25 Considerations prior to use The characteristics below enable you to simply determine a practical response value for the EDS195PM. If the insulation monitoring device in a monitored system indicates an alarm message, manual insulation fault location can be started. Proceed as follows: 1.
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Page 26: Response Characteristics For Main Circuits In 3Ac Systems
Considerations prior to use 4.4.1 Response characteristics for main circuits in 3AC systems Bei der Anwendung des CTAF-SET gilt nur die Kennlinie für 10 mA! 3AC 230V 3AC 400V 10mA 10mA Ce [uF] Ce [uF] 3AC 500V 3AC 690V 10mA 10mA Ce [uF] Ce [uF]... -
Page 27: Response Characteristics For Main Circuits In Ac Systems
Considerations prior to use 4.4.2 Response characteristics for main circuits in AC systems AC 42V AC 110V 10mA 10mA Ce [uF] Ce [uF] AC 230V AC 400V 10mA 10mA Ce [uF] Ce [uF] 4.4.3 Response characteristics for main circuits in DC systems DC 60V DC 24V 10mA... -
Page 28: Response Characteristics For Control Circuits In Ac Systems
Considerations prior to use 4.4.4 Response characteristics for control circuits in AC systems AC 42V AC 110V 0,2mA 0,2mA 0,5mA 0,5mA Ce [uF] Ce [uF] AC 230V 0,2mA 0,5mA Ce [uF] 4.4.5 Response characteristics for control circuits in DC systems DC 24V DC 60V 0,2mA... -
Page 29: Connecting The Locating Current Injector
5. Connecting the locating current injector Hazard due to excessively high locating voltage! Check the information on the nameplate to ensure the devices to be connected are suitable for the supplying system. The operation of the PGH18… and possi- bly the power supply unit with an incorrect supply voltage can cause irreparable CAUTION damage to the devices. -
Page 30: Connection To A Live It System
Connecting the locating current injector 5.3 Connection to a live IT system Risk of electric shock! On touching live uninsulated conductors, death or serious injury may be caused. For this reason prevent any physical contact with active conductors and follow the rules for working on electrical systems. -
Page 31: Connection To A Pv System
Connecting the locating current injector 5.4 Connection to a PV system Risk of electric shock! On touching live uninsulated conductors, death or serious injury may be caused. For this reason prevent any physical contact with active conductors and follow the rules for working on electrical systems. DANGER Risk of electric shock! If the PGH186 is connected using terminals L1(+) und L2(–) to a system that is live... - Page 32 Connecting the locating current injector For insulation fault location within the junction box, it is essential that the ± cables of a string are ar- ranged in a way that the measuring clamp PSA30… can be put around the cables. Insulation faults in the strings can be localised by means of two measuring clamps connected in par- allel and an EDS-SET.
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Page 33: Operation
6. Operation 6.1 Short description of insulation fault location (EDS mode) Risk of electric shock! On touching live uninsulated conductors, death or serious injury may be caused. For this reason avoid any contact whatsoever with active conductors on posi- tioning the measuring clamp. DANGER 6.1.1 Commissioning the PGH18…... -
Page 34: Displays And Controls On The Pgh18
Operation 6.4 Displays and controls on the PGH18… ON/OFF switch, switch on or off locating current Changeover switch for maximum locating current values: 25/10 mA or 2.5/1 mA Not shown: magnetic strip on rear of housing for fastening to metal items (e.g. switch cabinet) 3 sockets for coupling to system Socket for PE connection... -
Page 35: Displays And Controls On The Eds195Pm
Operation 6.5 Displays and controls on the EDS195PM EDS195PM EDS195P ISOSCAN® EDS195PM EDS195P Bender GmbH&CoKG Bender GmbH&CoKG D-35305 Grünberg D-35305 Grünberg ALARM ALARM HOLD INFO HOLD INFO RESET MENU RESET MENU BNC connection for measuring clamp LC display, illuminated 3 lines of 16 characters... -
Page 36: Operating The Eds195Pm
The self-test is started after switching on. If the self-test is completed normally "No CT connected" appears. 2. You can switch off the device by pressing the On-Off button for around 2 s. EDS195PM BENDER GmbH&CoKG D-35305 Grünberg >>>Self test<<< CT in rest pos.! >>... -
Page 37: Changing The Measuring Clamp
Operation 6.6.2 Changing the measuring clamp Two methods can be used to change the measuring clamp. Changing with EDS195PM switched off: – Disconnect clamp no longer required – Switch on EDS195PM – Wait for "No CT connected" message – Set required clamp type –... -
Page 38: Significance Of The Display Elements
Operation 6.6.7 Significance of the display elements The elements shown relate to the EDS mode (I ). This mode is used for insulation fault location. ∆L = 8mA Resp. = 5mA PSA30xx PM H Indication of the locating current pulse: = Positive pulse, = Pause or no measurement possible when permanently displayed = Negative pulse... -
Page 39: Standard Displays On The Eds195Pm
Operation 6.7 Standard displays on the EDS195PM 6.7.1 EDS measurement ( ΔL 6.7.1.1 Standard display if there is no cable to be measured in the clamp The device is in the EDS mode ( I ∆L A measured locating current I is not indicated, as there is no conductor in the measuring clamp. -
Page 40: Alarms During Eds Measurement Or Rcm Measurement
Operation 6.8 Alarms during EDS measurement or RCM measurement If one of the response values set I or I is exceeded, the ALARM LED flashes. If the fault memory M ∆L ∆n is activated, the ALARM LED continues to illuminate after the removal of the fault. The alarm saved is cleared using the RESET button. -
Page 41: Factory Settings Eds195Pm (State As Supplied)
Operation 6.10 Factory settings EDS195PM (state as supplied) Most of the settings are made on the menu. If this is not the case, the setting is marked with (button). ∆L Operating mode (button): (EDS mode = insulation fault location) Current transformer (button): Measuring clamp PSA3052 (for EDS3090 and 3096) Measuring clamp PSA3352 (for EDS3091) Illumination (button):... -
Page 42: Menu Structure
Operation 6.11 Menu structure The menu structure is shown schematically in the following. or explanation Level 1 Level 2 Level 3 1. Exit 1. Exit 2. Settings ∆L ∆ 2. I ALM: 0.2…10 mA Response value measured locating current I ∆... -
Page 43: Navigating In The Menu
Operation 6.11.1 Navigating in the menu - Open the menu using MENU - Select a menu item MENU or accept a value using OK - Navigate up or down in the menu HOLD RESET - Increase or reduce values ESC: INFO - Return from the last menu item selected - Discard modified setting without saving... -
Page 44: Menu Item: System
Operation 6.11.3 Menu item: System Use this menu item to select the language for the user interface and to set the correct date and time. The date format can be changed. You can adjust the quality of the display by adjusting the contrast. Level 3 or explanation Level 1 Level 2... -
Page 45: Menu Item: Iδn Logger
Operation 6.11.6 Menu item: I logger Δ Using this menu item you can check the measured values recorded automatically during a residual current measurement. The data records are numbered and contain the following information: The start time for the measurement and the change in the residual current monitored ... - Page 46 Operation 3. Connect the PGH18… to a suitable power supply using the power cable supplied (see name- plate). 4. If there is an insulation monitoring device with an Ohmic internal resistance < 120 kΩ in the IT system to be checked, disconnect it from the system to be checked on all poles. It is not suffi- cient to switch off the power supply to the insulation monitoring device.
- Page 47 Operation 12. Start the insulation fault location from the main distribution area of the IT system. Place the measuring clamp around all system conductors, but not the PE conductor. During each meas- urement wait one test cycle (approx. 30 seconds). A flashing alarm LED on the EDS195PM sig- nals an insulation fault after (from the point of view of the locating current injector) the measuring clamp.
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Page 48: Insulation Fault Location In A System With A Permanently Installed Eds System
Operation 6.12.2 Insulation fault location in a system with a permanently installed EDS system The EDS195PM can also be used in a permanently installed EDS system (EDS460/490 or EDS461/491). In a large, complex IT system the main outgoing circuits are often monitored by the permanently in- stalled EDS system. - Page 49 Operation 7. Start the insulation fault location in the outgoing circuit of the IT system already detected as faulty. Place the measuring clamp around all system conductors, but not the PE conductor. During each measurement wait one test cycle (approx. 30 seconds). A flashing alarm LED on the EDS195PM signals an insulation fault after (from the point of view of the locating current injec- tor) the measuring clamp.
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Page 50: Insulation Fault Location In Diode-Decoupled Dc Systems
Operation 6.12.3 Insulation fault location in diode-decoupled DC systems In diode-decoupled DC systems equalising currents occur in and between the decoupled circuits. The direction and magnitude of these equalising currents is dependent on voltages in the system, the characteristics of the decoupling diodes and the characteristics of the loads. On the usage of the insulation fault location system EDS309…... - Page 51 Operation diagram). For this purpose the measuring clamps are marked with an arrow Place the two measuring clamps successively and systematically around all parallel outgoing cables for loads. Outgoing cables for loads with an insulation fault are indicated by the flashing alarm LED on the EDS195PM.
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Page 52: Usage Of The Eds195Pm As A Residual Current Meter
Operation 6.12.4 Usage of the EDS195PM as a residual current meter The EDS195PM can be used as a residual current meter up to AC 10 A in TN and TT systems. Residual current measurement is only possible in electrically live systems. The locating current injector PGH18…... -
Page 53: Indication Of The Harmonics During Residual Current Measurement
Operation Possible error messages Self test error: – Incorrect current transformer type set – EDS195PM hardware faulty – Clamp moved while the indication ">>>Self test<<<" was displayed – An interfering residual current is flowing through the clamp – There is a PGH locating pulse acting on the clamp No CT connected: ... -
Page 54: Coupling Device Age185 For Higher System Voltages
Operation 6.13 Coupling device AGE185 for higher system voltages This option is available for the variants EDS3090PG, EDS3090PG-13 and EDS3096PG with the locat- ing current injectors PGH185 and PGH186. The coupling device AGE185 expands the nominal volt- age range of the insulation fault location system EDS309… The AGE185 reduces the losses in the locating current injector PGH18…... -
Page 55: Power Supply For The Eds195Pm
Operation 6.14 Power supply for the EDS195PM The device is supplied with power using 3 NiMH cells of 1.2 V each or 3 mignon cells of type LR6 AA of 1.5 V each. The power supply unit is not allowed to be connected with non-rechargeable batteries ... -
Page 56: Technical Specifications
7. Technical specifications 7.1 Technical specifications for the system EDS309… The technical specifications stated in this section apply to the components PGH18…, EDS195PM, AGE185. Environment/EMC EMC..........................................IEC 61326-2-4 Operating temperature ....................................-10…+ 55 °C Climatic classes acc. to IEC 60721: Stationary use (IEC 60721-3-3) ..........................3K5 (without condensation or icing) Transport (IEC 60721-3-2) ............................2K3 (without condensation or icing) Long-term storage (IEC 60721-3-1) .........................1K4 (without condensation or icing) -
Page 57: Technical Specifications Eds195Pm
Technical specifications Locating current PGH183: Locating current max., can be selected ..................................1/2.5 mA PGH185/186: Locating current max., can be selected .................................10/25 mA PGH183/185/186 Test cycle.............................................2 s Pause duration ...........................................4 s Locating voltage PGH186............................................DC 50 V Other Degree of protection of built-in components DIN EN 60529 (VDE 0470-1) ........................ IP40 Enclosure material........................................ -
Page 58: Technical Specifications Measuring Clamps
Software version ........................................D399 V2.0 Dimensions WxHxD....................................84 x 197 x 30 mm 7.4 Technical specifications measuring clamps Note: The technical data for the CTA-F-set can be found at www.bender.de/en/service-support/downloads Electrical safety Standard ........................................IEC 61010-2-030 Degree of pollution..........................................2 System class............................................ -
Page 59: Technical Specifications Age185
Technical specifications Weight PSA3052 / 3352 ......................................≤ 700 g Weight PSA3020 / 3320 ......................................≤ 300 g Weight PSA3165 ........................................≤ 1300 g 7.5 Technical specifications AGE185 Insulation co-ordination according to IEC 60664-1 Rated insulation voltage ...................................... AC 1000 V Rated impulse voltage/degree of pollution................................ -
Page 60: Dimension Diagrams
Technical specifications 7.7 Dimension diagrams All dimensions are given in mm. Aluminium case AGE185 EDS309x_D00012_05_M_XXEN/12.2017... -
Page 61: Status Word
Technical specifications 7.8 Status word The status word can be checked by pressing the "INFO" button several times. This word contains the current configuration and provides an error code if there is a device error. CT type p -> PSA30xx P ->... -
Page 62: Ordering Data Including Accessories
Technical specifications 7.9 Ordering data including accessories EDS309x_D00012_05_M_XXEN/12.2017... -
Page 63: Component List
Technical specifications 7.10 Component list EDS-Set, optional Measuring clamps 115 mm, optional Measuring clamps 52 mm Measuring clamps 20 mm Coupling device, optional (EDS3096PV only: in the scope of delivery) Safety claw grip, green/yellow Safety claw grip, black Safety measuring cable, green/yellow Safety measuring cable, black Supply cable for PGH18... -
Page 64: Frequently Asked Questions
Frequently Asked Questions 8. Frequently Asked Questions The ISOMETER® indicates an insulation fault but this fault cannot be located using the EDS309…. What could cause this problem? – Individual outgoing circuits in the IT system monitored may be earthed. Check all outgoing circuits for unintentional earthing. -
Page 65: Additional Fault Location Information Using The Eds309X
In one particular case, two DSL modems were installed. However, the plant employee working with Bender to locate the fault was totally unaware of this. It was subsequently discovered that the source of the fault was a grounded negative power supply terminal. -
Page 66: Taking Measurements
50 Ω coaxial cable (RG58) - see following diagrams. Measuring signal input Measuring signal output EDS195PM EDS195P ISOSCAN® EDS195PM EDS195P Bender GmbH&CoKG Bender GmbH&CoKG D-35305 Grünberg D-35305 Grünberg Δs ALARM ALARM Δn HOLD INFO... - Page 67 Additional fault location information using the EDS309x IT system PGH186 AC/DC PGH186 coaxial cable Ω EDS195PM ISOSCAN® ALARM HOLD INFO RESET MENU EDS195PM Portable oscilloscope EDS309... connectivity in an IT system EDS309x_D00012_05_M_XXEN/12.2017...
- Page 68 Additional fault location information using the EDS309x In diode decoupled systems, parallel test signals can also be visually inspected by connecting as shown in a diode decoupled DC system below. DC main distribution (DC 20-360 V) Central coupling of the insulation monitoring device (IMD) and the test current injector PGH185 Selector switch...
- Page 69 Additional fault location information using the EDS309x A typical measured signal in systems without any interference is shown below (left). The amplitude of the signal is dependent on the magnitude of the test current. The alarm notification and the square wave pulse signalling a detected test current can be seen at the upper right-hand corner of the EDS195PM display (right).
- Page 70 Additional fault location information using the EDS309x With this method, the test signal can be easily followed. If the test signal displayed on the oscilloscope is very small, the following options are available: Increase the test current in the main circuits to 50 mA by means of the IRDH575. ...
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Page 71: Index
INDEX Menu item - Harmonics 44 Accessories EDS mode 16 - IΔL alarms 44 - optional 15 EDS195PM - IΔn logger 45 AGE185 54 - controls 35 - Settings 43 Alarm is also output audibly 38 - System 44 Alarm LED 35 Menu structure 42 Alarms during EDS measurement or RCM Factory settings 41... - Page 72 INDEX Saving the measured value using HOLD 36 Selecting the current transformer 35 Selecting the operating mode 36 Setting language 42 Settings 43 Significance of the display elements 38 Standard display for EDS measurement 39 Standard displays on the EDS195PM 39 Standards 59 Status word 61 Switch on-off 36...
- Page 76 Bender GmbH & Co. KG Londorfer Str. 65 • 35305 Grünberg • Germany P.O. Box 1161 • 35301 Grünberg • Germany Tel.: +49 6401 807-0 Fax: +49 6401 807-259 E-mail: info@bender.de Web: http://www.bender.de...