Popular Articles
AQ 2xx Relay Output Guideline
RELAY OUTPUTS IN GENERAL Generally, protection relay outputs can be used for many different things. Most important usage for outputs in protection relay is clearly controlling the circuit breaker opening and closing coils. This can be done either ...
Trip circuit open coil supervision with one digital input and connected trip output
Trip circuit supervision is used to monitor the wiring from auxiliary power supply trough IEDs binary output and all the way to the open coil of the breaker. It is recommended to know that trip circuit is on healthy state when the breaker is closed. ...
Setting up GOOSE publisher and subscriber
This article shows the basics of how to setup GOOSE publisher and subscriber for an AQ-200 unit. GOOSE messages published by AQ-200 units can be received by other manufacturers devices. AQ-200 units can also subscribe to GOOSE messages published by ...
Generating an example aqs configuration file with aqs generator
In general, it is recommended to use the aqs file loaded from the relay. But in case you have not yet received the ordered relay and need to make protection configuration or want to get familiar with a particular IED type and its functions it is ...
AQ01 to AQ101 and AQ101 to AQ110 Distances
Maximum distance between AQ110/AQ101 and AQ01 is 200m. Maximum distance between AQ110 and AQ101 is 1000m. Maximum distance between AQ110 and AQ110 is 1000m.