ZH-5 Embedded Electric Power Fault Recorder

Items

Main technical parameter

Input signal

It can monitor up to 96 analog signals and 256 digital signals

Sampling index

1When AB segment sampling rate is 10,000Hz,transient record harmonic resolution is 99 times;

2When AB segment sampling rate is 10,000Hz,transient record on-off time resolution is 0.1ms;

3under rated current and voltage, the  waveform sampling precision is not over ±0.3%;

425, the relative error in effective values measuring of voltage and current is less than ±0.5;

Timing interface

1support various timing modes, including NTP/SNTP, IRIG-B, PPM and PPS.

2IRIG-B, PPM, PPS timing precision is ≤-1ms.

3NTP/SNTP timing precision is ≤-20ms

4Equipment self clock precision 24-hour error is ≤±1s;

5NTP/SNTP timing supports initiative request, broadcast receiving, group broadcast receiving. And this equipment supports the mutual backup and auto switch between two time servers.

Data sampling and record mode

Transient record data adopts A-B-C segment record mode and instantaneous value sampling. Segment C can extend infinitely according to turbulence; In transient record, AB segment  sampling frequency can be 10,000, 5,000 or 2,000Hz,and for segment C, the sampling frequency is 1000Hz; In continuous stable record, the sampling frequency of all segments is 1000Hz.

Communication interface and protocol

1Provide 4 network interfaces, which the options are 4 fiber interfaces, or 3 net with 1 fiber interface, or 2 net with 2 fiber interface;

2Support IEC 61850-8 MMS communication protocol;

3Support TCP/IP protocol and expand 103 protocol

Anti-electromagnetism

interference

1Can endure GB/T14598.9 strict requirement level III radiate electromagnetism turbulence

2Can endure GB/T14598.10 strict requirement level radiate fast transient turbulence

3Can endure GB/T14598.13 strict requirement level III pulse group turbulence

4Can endure GB/T14598.14 strict requirement level static discharge turbulence