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What is Standard ACR Auto Recloser relay protection and logic
2018-10-10 13:31:00 Copyfrom:本站 view:596

What is Standard ACR Auto Recloser relay protection and logic

The automatic circuit recloser ie. Auto circuit recloser /ACR is not simple comprise of a breaker+relay protection. There are many functions which no-standard recloser is not equiped with as folowing.

Rockwill Standard auto recloser

The standard auto recloser is required to complied with as per IEEE/ANSI C37.60 or IEC62271-111 standard.

Rockwill's recloser gather multi relay protections like:



Cold Load Pickup

Live Load Blocking

Oscillography Capture capability

Programmable Logic

4 Independent Protection Groups

Advanced Automation

Harmonic Protection and Monitoring

Hot Line Tag Capability

Negative Phase Sequence Overcurrent

Inverse Time Protection

Live Line Function & Hot Line Tag Function

Definite Time Protection

Directional Sensitive ground Fault Protection

Two fast-two slow curves

Phase (OV1) & Line-to-Line (OV2) Over Voltage

Temporary Time Addition

Directional over current and ground fault protection

Voltage Protection Element

Phase under-voltage balanced element (UV1)

Logic program-able function

Phase-to-Phase Under-voltage Element (UV2)

Zone Sequence Co-ordination

Loss of Supply (UV3)

High set Instantaneous element

Voltage Sag Protection (UV4 Sag)

Power Quality monitoring including Systems Performance Indices, Voltage Sags and Swells

Voltage reclose control with automatic back feed(restoration provides loop automation functionality)

If you want More functions, pls consult with us

Part Number




Current Sensing

3 x Current Transformers

3 x Current Transformers

3 x Current Transformers

Voltage Sensing

3 x Voltage Sensors

3 x Voltage Sensors

3 x Voltage Sensors

Control Type




Even above specification reuiqred is not enough for standard auto recloser, there is so many addtional logic,......so,......

More questions pls consult with us.

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