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Wuhan Guodian Mingke Electric Co., Ltd.

wangchengfeng China

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Company News

Substation Automatic System Calibration Source2021-04-26 11:16:44
Substation Automatic System Calibration Source

1. Function: AC sampling device and sampling RTU (Remote Terminal Unit) calirbation
 
1) AC/DC analog value input measurement
 
2) state variables input measurement
 
3) remote control execution testing
 
4) remote regulation function testing
 
5) digital value input testing
 
6) impulse input testing
 
2. AC Power source
 
It can output AC voltage AC current
 
accuracy 0.05 class
 
can provide standards of AC/DC voltage/current power phase power factor frequency energy.
 
Output method and output electric quantity can be set arbitrarily
 
3. Data management
 
It can save search browse print or delete RTU testing data.
 
Calibrated parameters can be saved permanently


1. State Variables output
 
1) Binary code “1” represents “close” “0” means ”open”
 
2) Stage varables rating voltage: 24V/48V/110V/220V
 
3) Output current: max 200mA
 
4) Channels: 8 independent outputs
 
2. Pulse output
 
1) frequency: 0-5KHz adjustable
 
2) Pulse width: 0.1ms-100ms adjustable
 
3) Electric level: 24V/48V/110V/220V
 
4) Pulse number: output number can be set
 
5) Telecontrol protocol 
 
6) CDT protocol shall conform to DL451-91
 
7) POLLING protocol shall confirm to DL/T634-2002
 
3. Working power supply: AC220V±10%