Microcomputer Relay Protection Tester - Yangzhou Darui

Microcomputer Relay Protection Tester - Yangzhou Darui

Published: 2020-08-22 14:13:16

Category: Microcomputer Relay Protection Tester

Product Description

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I. Function Introduction

What types of test items are mainly performed: Signal relays, time relays, intermediate relays, reclosing relays, other DC voltage and current relays, current relays, over (under) voltage relays, sequence component relays, synchronization check (or phase comparison) relays, inverse time current relays, differential relays, power (direction) relays, impedance relays, synchronism relays, frequency relays. Line protection: multi-stage overcurrent, over (under) voltage, sequence component voltage and current, frequency devices, power direction protection, reclosing and conversion faults, distance and zero sequence, power frequency variation distance, compound voltage blocking (direction) overcurrent, low frequency, low voltage load shedding devices, and other test items for tested equipment.

II. Application Fields

Generator transformer units: Differential protection, loss of excitation protection, excitation protection, compound voltage blocking (direction) overcurrent (backup).

Other protections: Automatic synchronizing devices, standby power supply automatic switching devices, bus differential protection, optical fiber line differential protection.

In addition, the instrument also has GPS synchronization test function. It can realize two remote synchronization alignment tests, and can test electromagnetic, transistor, integrated circuit, and microcomputer relay protection devices. The optical digital relay protection tester mainly provides a complete test solution for digital protection, automation devices, and instruments, adapting to digital substations.

Model selection:

Currently, the main types of relay protection testers on the market are divided into single-phase, three-phase, four-phase, optical digital, touch screen, and six-phase microcomputer relay protection testers. The main differences between relay protection testers are: three-phase means three-phase voltage and three-phase current, four-phase means four-phase voltage and three-phase current, six-phase means six-phase voltage and six-phase current. Different categories of products are positioned based on voltage levels and user choices.
6400 is single-phase, 6403 is three-phase microcomputer relay protection tester, 6404 is four-phase, 6406 is six-phase, 6406B is touch screen six-phase, 6406S is optical digital relay protection tester

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.

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Product Details

Microcomputer Relay Protection Tester - Yangzhou Darui