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Reference Manual 
 
Capacitor Bank Protect. Relay KSR1 

 

Rev. 10 

 

 

2018-09 

 

18 

 

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 

Current measuring 

15 mA – 5 A; burden 20 mOhm; ct-ratio from 1-4000, with low pass filter 

Continuous overload: 25 A 

Short term overload: 100 A for one second 

Accuracy: 0.5 % from upper range value 

Relay outputs  

4 output relays, change over contact, potential-free, max fuse 6 A 

Function: 

Relay 1: Trip 

Relay 2: Alarm 

Relay 3: Adjustable: Alarm, trip or both 

Relay 4: Status 

Max. output rating AC: 1250 VA, max switching voltage: 440 V AC 

Max. output rating DC (ohmic): 30 V / 5 A; 60 V / 1 A; 110 V / 0,5 A; 220 V / 0,3 A 

Digital input 

Blocking Alarm / Trip via digital input.  

Interface 

TTL, rear (optional accessories TTL-USB converter) 

Ambient temperature 

Operation: -20 °C – 70 °C, storage: -40 °C – 85 °C 

Humidity 

0 % - 95 %, without moisture condensation 

Overvoltage class 

II, pollution degree 3 (DIN VDE 0110, Teil 1 / IEC 60664-1) 

Standards 

DIN VDE 0110 part 1 (IEC 60664-1:1992) 
VDE 0411 part 1 (DIN EN 61010-1 / IEC 61010-1:2001) 
VDE 0843 part 20  
(DIN EN 61326 / IEC 61326: 1997 + A1:1998 +A2: 2000) 

Conformity and listing 

CE 

Terminals 

screw-type, max. 2,5 mm

2

 

Casing 

front: instrument casing plastic (UL94-VO), rear: metal 

Protection class 

Front: IP50, (IP54 by using a gasket), Rear: IP20 

Weight 

ca. 0,65 kg 

Dimensions 

144 x 144 x 58 mm (h x w x d), cutout 138

+0,5

 x 138

+0,5

 mm 

 

 

 

Содержание KSR 1

Страница 1: ...Bank Protect Relay KSR1 Rev 10 2018 09 Beluk GmbH Taubenstrasse 1 D 86956 Schongau Germany Tel 49 0 8861 2332 0 Fax 49 0 8861 2332 22 E Mail blr beluk de http www beluk de Reference Manual Capacitor...

Страница 2: ...e 07 09 10 LE 02 Editorial changes Add technical data s 02 12 10 LE 03 Add changed menu points 02 03 11 LE 04 Add additional explanations 29 11 11 LE 05 Content update 26 11 12 LE 06 Change factory se...

Страница 3: ...ts 6 3 2 1 Measurement input 6 3 2 2 Blocking input 6 3 3 Outputs 7 3 3 1 Trip relay 7 3 3 2 Alarm relay 7 3 3 3 Relay 3 7 3 3 4 Status relay 7 3 4 User Interface 8 3 4 1 Keys 8 3 4 2 Display 8 3 4 3...

Страница 4: ...the maximum value Once the Alarm or Trip level is reached the appropriate relay will operate after the programmed delay time has elapsed Both relays can be programmed to stay in the Alarm Trip positi...

Страница 5: ...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 sy...

Страница 6: ...ction can cause malfunctions or can damage the device 3 2 Inputs 3 2 1 Measurement input The KSR1 has a voltage input as well as a current input Here the possible voltage range is 0 1 20 V and the mea...

Страница 7: ...ly closed and 21 24 are normally open no alarm condition In case the alarm trigger value voltage or current is exceeded for a longer period than the contacts 21 24 will close and 21 22 will open 3 3 3...

Страница 8: ...r right Confirmation of an input Decrease values Select menu items 3 4 2 Display The right side of the display shows the actually chosen main menu items The top line of the display shows the codes for...

Страница 9: ...blinks and its value can be altered in the same way as before When arriving the last digit press the key once more This position allows to set multipliers M Mega or k kilo To store the value press the...

Страница 10: ...d Displays the stored value of the natural unbalanced current Displays the adjusted threshold for trip Displays the adjusted time delay for trip Displays the adjusted threshold for alarm Displays the...

Страница 11: ...tarts blinking and shows the actual measured value To store the shown value push the button again To set a new value of the natural unbalance push the button again The stored value of the natural unba...

Страница 12: ...automatically by subsequent changes of the transformer ratio The input can be changed to percent in menu under Sets the delay time for alarm In case the alarm trigger value voltage or current is exce...

Страница 13: ...ram to become active state with trip alarm or both Following settings are possible relay 3 is always switched off relay 3 becomes active with alarm relay relay 3 becomes active with trip relay relay 3...

Страница 14: ...UM1 and UM2 Trip and alarm thresholds are given in V or in percentage of the nominal input range Values in percent All values are shown in percentage The thresholds for voltage or current are set in p...

Страница 15: ...blinks on the display An exceeding of the trip threshold is ignored Store alarm in Alarm buffer Alarms are stored with the trigger value in the Alarm buffer Alarms are not stored Drop off ratio hyster...

Страница 16: ...oring system is blocked when terminals DI1 DI2 are closed monitoring system is blocked when terminals DI1 DI2 are open Attention The digital input is activated or deactivated by opening or closing the...

Страница 17: ...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 It is also possible to clear...

Страница 18: ...Alarm trip or both Relay 4 Status Max output rating AC 1250 VA max switching voltage 440 V AC Max output rating DC ohmic 30 V 5 A 60 V 1 A 110 V 0 5 A 220 V 0 3 A Digital input Blocking Alarm Trip vi...

Страница 19: ...ersion Fr Trip latchable trL tr4 Di state dl Alarm latchable ALL tr5 Relay 3 r3 AL1 Relay 3 latchable r3L AL2 AL3 200 Current voltage metering Cur AL4 Display absolute value or Per AL5 Transformer fac...

Страница 20: ...Reference Manual Capacitor Bank Protect Relay KSR1 Rev 10 2018 09 20 7 Dimensions...

Страница 21: ...0 s Trip latchable trL X Alarm latchable ALL X Relays 3 r3 X Relay 3 latchable r3L X Current voltage metering Cur X Display absolute value PEr X Transformer factor trF CT 1 4000 PT 1 350 1 Line freque...

Страница 22: ...Reference Manual Capacitor Bank Protect Relay KSR1 Rev 10 2018 09 22 Notes...

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