Category:

Microcomputer Transformer Protection and Measurement Device: WBH-821, WBH-822, WBH-821A, WBH-822A, WBH-821A/P

Microcomputer line protection and measurement devices: WXH-821, WXH-822, WXH-823, WXH-825, WXH-821A, WXH-822A, WXH-823A

WXH-825A、WXH-821C、WXH-822C、WXH-823C、WXH-825C、WXH-821A/P、

WXH-822A/P、WXH-825A/P

Microcomputer generator protection and measurement device: WFB-821, WFB-822, WFB-821A, WFB-822A

Microcomputer backup automatic switching protection and measurement device: WBT-821, WBT-822, WBT-821A, WBT-822A, WBT-821A/P, WBT-822A/P

Microcomputer Transformer Protection and Measurement Device: WBH-821, WBH-822, WBH-821A, WBH-822A, WBH-821A/P

Microcomputer voltage transformer protection and measurement device: WYJ-821, WYJ-821A, WYJ-821A/P
Microcomputer fault disconnection device: WJE-821, WJE-821A, WJE-821A/P

Microcomputer factory transformer protection and measurement device: WCB-821, WCB-822, WCB-821A, WCB-822A, WCB-821A/P, WCB-822A/P

Microcomputer motor protection and measurement device: WDH-821, WDH-822, WDH-823, WDH-824, WDH-825, WDH-821A, WDH-822A

WDH-823A、WDH-824A、WDH-825A、WDH-821A/P、WDH-822A/P、WDH-823A/P
Microcomputer capacitor protection and measurement device: WDR-821, WDR-822, WDR-823, WDR-821A, WDR-822A, WDR-823A, WDR-821A/P

Microcomputer measurement and control devices: FCK-821, FCK-822, FCK-821A, FCK-822A, FCK-821C, FCK-822C

Microcomputer reactor protection and measurement device: WKB-821, WKB-821A, WKB-821A/P

Microcomputer charging protection and measurement device: WCH-821, WCH-821A, WCH-821A/P

Microcomputer voltage switching device: ZYQ-823, ZYQ-824

Summary:

The 820 series microcomputer protection device can be applied to various equipment in 6kV to 220kV substations.

a.Adopting 32-bit DSP as the protection CPU, it has strong data processing capability, high reliability, and fast running speed.

b.Using 16 bit A/D as data acquisition ensures high measurement accuracy.

c.Adopting a real-time multitasking operating system to improve software reliability.

d.The hardware storage capacity is large, capable of storing no less than 100 SOE records and 10 waveform records of faults. The device is heavy

There are records of operations such as adding or removing pressure plates, modifying settings, etc.

e.Adopting LCD display, with full Chinese and graphic display.

f.It has communication interfaces such as RS232 and RS485, and the communication protocol adopts the power industry standard DL/T667-1999 (IEC60870-5-103), which can be directly connected to microcomputer monitoring or protection management machines.

g.Equipped with comprehensive and flexible backend analysis software, convenient for debugging and post accident analysis.

h. CPUAdopting multi-layer board and surface mount technology; Reasonable layout of strong and weak electrical circuits, as well as input and output circuits of the device; Using a bus board and eliminating backplane wiring, it has strong anti-interference ability.

i.Integrating protection, telemetry, remote signaling, remote control, remote pulse, and waveform recording functions.