KR-3400ASerial Main Variable Protection Control Device Introduction

KR-3000A series main transformer protection measuring device is a complete set of protective devices suitable for three rounds or more transformers with 110KV and higher voltage levels. KR-3000A series main transformer protection measuring device is a complete set of protective devices suitable for three rounds or more transformers with 110KV and higher voltage levels. KR-3000A series main transformer protection Gɛlɛya fɛɛrɛ ye tɔ̈u në gɛlɛya differential, gɛlɛya backup, ku gɛlɛya non-electric. Në 110KV transformer, KR-3420A (Differential Protection) + KR-3410A (High Voltage Side Backup Protection Measurement) + KR-3430A (Low Voltage Side Backup Protection Measurement) + KR3440A (Non-electric Protection + Operating Circuit) aye tɔ̈u në transformer yic. Lɔ̈ɔ̈m de kä ye kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈

Funksiɔn tajir

●3-segment composite voltage closure time limit overcurrent protection (I, II segment can take direction)

●Protection exit can be used with matrix tripping method (Dɔ̈ɔ̈r de gël bɛ̈n tɔ̈ɔ̈u në matrix)

●Start main variable air cooling; Load closure with load regulation pressure

●Road Telecommunication Open Collection, Telecommunication Shift, Accident Telecommunication

●4 ye pulse input

●Grounding Zero Sequence Over Current Protection (Section III)

●Zero order protection without ground (zero order current closure overvoltage, gap zero order) (Zero order current closure overvoltage, gap zero order) (Zero order current closure overvoltage, gap zero order) (Zero order current closure overvoltage, gap zero order)

●A lëu bɛ̈n looi; Signal de surcharge

●6 analog telemetry

●Recording of Failure

KR-3410AThree-circle transformer high backup protection control device wiring scheme

Note:

1. High backup voltage press taken from low voltage side PT design, if there is special needs concentrated from high voltage side PT. 1. High backup voltage press taken from low voltage side PT design, if there is special needs concentrated from high voltage side PT.