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Beluk KSR 1 Reference Manual

Capacitor bank protection relay
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Reference Manual
Capacitor Bank Protect. Relay KSR1
Beluk GmbH
Taubenstrasse 1
D-86956 Schongau
Germany
Reference Manual
Capacitor Bank Protection Relay
KSR1
Tel.:
Fax:
E-Mail:
http://www.beluk.de
Rev. 10
2018-09
+49/(0)8861/2332-0
+49/(0)8861/2332-22
blr@beluk.de

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  • Page 1 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 Reference Manual Capacitor Bank Protection Relay KSR1 Beluk GmbH Tel.: +49/(0)8861/2332-0 Taubenstrasse 1 Fax: +49/(0)8861/2332-22 D-86956 Schongau E-Mail: blr@beluk.de Germany http://www.beluk.de...
  • Page 2 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 Revision history Date Name Revision Change 30.06.10 initial document release 07.09.10 Editorial changes, Add technical data’s 02.12.10 Add changed menu points. 02.03.11 Add additional explanations 29.11.11 Content update 26.11.12 Change factory settings 09.09.13 Add dimension drawing 20.04.16...

  • Page 3: Table Of Contents

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 Content 1 OVERVIEW ..................................4 2 APPLICATION..................................5 2.1 Monitoring unbalance voltage ............................5 2.2 Monitoring unbalanced current ........................... 5 3 OPERATION ..................................6 3.1 Power supply ................................6 3.2 Inputs .................................... 6 3.2.1 Measurement input ...............................

  • Page 4: Overview

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 Important Information! If this sign appears besides a text passage, the reader is strongly advised to read the corresponding information, because it is very important for the device’s usage! It can indicate safety advices or information for the correct handling of the device.

  • Page 5: Application

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 2 Application The most of the high- and medium voltage capacitors use oil as dielectric, which can catch fire in case of a failure. For this reason, it is recommended to monitor capacitor banks during operation, in order to detect failures earlier. Using the KSR1, there are two possible ways to set up a monitoring system.

  • Page 6: Operation

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 3 Operation 3.1 Power supply The KSR1 can be supplied by 40 – 250 V AC (45 – 65 Hz) or 40 – 300 V DC. Attention: The power supply must be connected as it is depicted on the rear side of the device. A wrong connection can cause malfunctions or can damage the device.

  • Page 7: Outputs

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 3.3 Outputs The KSR1 has 4 relay outputs. Trip Alarm Rel3 Status See 3.3.1 See 3.3.2 See 3.3.3 See 3.3.4 3.3.1 Trip relay The trip relay operates with the change-over contacts 11-12/14. The contacts 11-12 are normally closed and 11-14 are normally open (no trip condition).

  • Page 8: User Interface

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 3.4 User Interface 3.4.1 Keys Increase values Select menu items   Escape menu, Enter menu   Move cursor left Move cursor right   Push for 3 sec to Confirmation of clear trips/alarm an input...

  • Page 9: Input Of Numerical Values

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 3.4.3 Input of numerical values For configuration purpose, the input of values is required. By doing this, the routine is always the same, which is why the following section describes the necessary steps in general. A preset-value will be displayed with the first (highest) digit blinking.

  • Page 10: Menus

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 4 Menus 4.1 Info The main menu "INFO” contains all information’s about the adjusted thresholds, delay times for trip/alarm and the stored natural unbalance. In the Info menu, it is not possible to change any values.

  • Page 11: Setup

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 4.2 Setup The main menu “Setup” is split into two menu levels:  Level 1 is the “start menu”, it contains settings to commission the KSR1.  Level 2 is the “expert menu”, it contains the complete range of settings. This menu is protected by an additional password.
  • Page 12 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 This submenu set the trip delay time. In case, the trip trigger value (voltage or current) is exceeded for a longer period than , contacts 11-14 will close and 11-12 will open. Here, the threshold for an alarm can be set.
  • Page 13 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 The alarm relay output can be configured as either latch able or non-latch able output. The alarm relay goes back to inactive state as soon as the alarm value falls below the adjusted threshold.

  • Page 14: Expert Menu Password 511

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 4.2.2 Expert menu Password 511 To enter this menu select “Setup” and enter the expert password (511). Select submenus 100 – 400 by using  and . Enter the submenus by pushing . 4.2.2.1 Start menu Contains the same settings as start menu above.
  • Page 15 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 4.2.2.3 Alarm menu Trip active When exceeding the adjusted threshold for trip, the trip relays switches and the message blinks on the display. An exceeding of the trip threshold is ignored. Store trip in “Alarm buffer”...
  • Page 16 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 The KSR1 uses absolute values. For this reason, shown values are always positive independent of their actual direction (meas. value increases / decreases). Digital input active the monitoring system can be blocked via the digital input. the monitoring system cannot be blocked via the digital input.

  • Page 17: Alarm

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 4.3 Alarm The submenu “Alarm” contains the last 5 trips and the last 5 alarms. The alarms and trips are stored together with the value, which has triggered the event. The alarm storage is a ring buffer, which means an upcoming trip/alarm deletes the oldest event if the buffer is full.

  • Page 18: Technical Data Ksr1

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 5 Technical Data KSR1 Auxiliary voltage 40 – 250 V AC, 45 – 65 HZ / 40 – 300 V DC, 5 VA; max. fuse 6 A Voltage measuring 0,1 – 20 V; burden 284 kOhm; vt-ratio from 1 – 350, with low pass filter Continuous overload: 120 V Short term overload: 500 V for ten seconds Accuracy: 0.5 % from upper range value...

  • Page 19: Menu Overview

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 6 Menu overview    ALARM MEAS U / I INFO SETUP   100  In % / V / A  100  Natural unbalance U / I („NU“) Natural unbalance U / I („NU“) ...

  • Page 20: Dimensions

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 7 Dimensions...

  • Page 21: Settings

    Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 8 Settings Parameter Range Factory settings Customer settings Natural unbalanced I “NU" Trip value "trd" 20 mA – 5 A / 200 mV – 20 V 1 V / 1 A Trip time“trt”...
  • Page 22 Reference Manual Rev. 10 Capacitor Bank Protect. Relay KSR1 2018-09 Notes...

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