Xuji Kece DPV-31A Busbar Insulation Monitoring Device User Manual

This manual covers the installation, operation, and maintenance of the Xuji Kece DPV-31A busbar insulation monitoring device for power systems.


Xuji Kece DPV-31A Busbar Insulation Monitoring Device User Manual - cover page
Brand
Xuji Kece
Document type
User Manual
Language
Chinese
Pages
25
File format
PDF
File size
1.1 MB
Published
16 October, 2026
Updated
16 October, 2026
MD5 checksum
BF2F9B06805223C2DF54B83DE2CDED0B

About this manual

The DPV-31A series is a microcomputer-based voltage transformer supervision device designed for single-mother segment wiring. It features overvoltage and low-voltage alarms, ground fault protection, PT parallel operation, and switching capabilities. The device utilizes a 32-bit ARM CPU with DSP kernel and offers high stability through industrial-grade integrated circuits. This manual is written in Chinese.

What's inside

  • Device Introduction
  • Technical Indicators
  • Protection Functions and Principles
  • Setting Values
  • Measurement and Control Functions
  • Human-Machine Interface
  • Backplane Terminals and Wiring Diagrams

Specifications

Working Power Supply (DC)220V or 110V ±20%
Rated Frequency50Hz
Protection Calculation Cycle5ms
Action Time (Fastest)30ms
Accuracy Range (Voltage)0.1 Un~1.2 Un

Frequently asked questions

What is the fastest action time of the DPV-31A?

The device has a fastest action time of 30ms.

Which communication protocols does the standard model support?

It supports IEC-60870-103 and Modbus-RTU protocols automatically.

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