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Technical Documentation

KSR-V – Capacitor-Bank Protection Relay

Rev. 05

3

Content

OVERVIEW ................................................................................................................................................ 4

MEASUREMENT SYSTEM ....................................................................................................................... 5

Connection diagram ............................................................................................................................................. 5

Data collection ....................................................................................................................................................... 6

Measured values .................................................................................................................................................... 7

RELAYS ..................................................................................................................................................... 7

ALARM SYSTEM ....................................................................................................................................... 8

Schematic diagram ............................................................................................................................................... 9

USER INTERFACE .................................................................................................................................. 10

Main menu ........................................................................................................................................................... 10

Submenu "measurement" .................................................................................................................................. 11

Submenu “auto-roll” .......................................................................................................................................... 11

Submenu "harmonics" ....................................................................................................................................... 12

Submenu "setup" ................................................................................................................................................ 13

Submenu "device info" ...................................................................................................................................... 17

Submenu "reset min/max” ................................................................................................................................. 17

Alarm display ...................................................................................................................................................... 18

TECHNICAL DATA .................................................................................................................................. 19

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Summary of Contents for KSR-V

Page 1: ...citor Bank Protection Relay Rev 05 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 Web http www beluk de Technical Documentation Capa...

Page 2: ...Bank Protection Relay Rev 05 2 Revision history Date Name Revision Change 26 05 04 CE 01 initial document release 02 05 10 Le 02 General update 12 08 10 Le 03 General update 02 11 10 Le 04 Change web...

Page 3: ...ram 5 2 2 Data collection 6 2 3 Measured values 7 3 RELAYS 7 4 ALARM SYSTEM 8 4 1 Schematic diagram 9 5 USER INTERFACE 10 5 1 Main menu 10 5 2 Submenu measurement 11 5 3 Submenu auto roll 11 5 4 Subme...

Page 4: ...can perform in a very flexibly way The device provides a big liquid crystal display for easy reading of values and settings The backlight provides a good visibility even in poor light conditions Four...

Page 5: ...cessary in all cases If left open an artificial N potential is provided by an internal resistor network Voltage measurement channels V1 4 via voltage measurement transformers secondary connections ope...

Page 6: ...erated inside the device by three resistors in a star connection Connection of the N terminal overrides the internal high impedance resistor circuit The voltages can be connected directly with respect...

Page 7: ...to voltage input channels V1 4 THD V1 4 THD factors for voltages connected to voltage input channels V1 4 Harmonics order 2 63 for voltages UL1 3 and V1 4 3 Relays Depending on the ordered type the KS...

Page 8: ...outputs relays or display message with choice for trip or alarm This alarm system reaches its maximum flexibility by these features multi source alarm One single output relay can be triggered by any o...

Page 9: ...t where manual resets would be triggered automatically by an external computer system via bus and if the manual reset would happen too frequently The memory chip which is used to store the hold state...

Page 10: ...ng menu items for configuration or measurement display measurement display measured values auto roll display measured values with automatic value rotation harmonics This submenu shows the single harmo...

Page 11: ...The display can be switched to show them instead of the actual value The right key is labelled min max or val according to the selected value Press it to change between them In the top line the set o...

Page 12: ...ce e g U L2 The harmonics are displayed in two columns even harmonics on the left side 2 4 6 odd harmonics on the right side 3 5 7 The numbers before the harmonic value give the order of the harmonic...

Page 13: ...alarm will re activate the hold state for the relay KEYS Select a submenu with the arrow keys and and enter it by pressing the key You may get to another submenu or be prompted for confirmation You c...

Page 14: ...ated as follows value t value t 0 1 exp t tau where tau is the time constant display contrast Here display contrast can be adjusted by repeated use of the and keys The value is stored immediately so i...

Page 15: ...ation by an alarm Accordingly normally closed refers to inverted behaviour relay is closed if it is not activated and it will open on activation If a certain relay is not assembled in the KSR V not av...

Page 16: ...considered to be active Possible values are val limit alarm if selected source value is bigger than limit and val limit alarm if selected source value is smaller than limit LIMIT The limit value can b...

Page 17: ...s are set back to inactive state A new alarm will re activate the hold state for the relay 5 6 Submenu device info This menu simply shows some information about the KSR V device SW software version nu...

Page 18: ...alarm The number appears instead of xx in this example The actual value of the measurement which is configured to be the source of this alarm If more than one alarm is active one can switch between t...

Page 19: ...pacity 250V AC 3A 30V DC 3A ohmical Interface optional RS485 Modbus RTU protocol slave Ambient temperature Operation 0 C 70 C storage 20 C 85 C Humidity 0 95 without moisture condensation Overvoltage...

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