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 ...
Finding out the reason for activated ERROR LED
Error LED is used for indicating an abnormal status of the relay. This document explains how to find out what the error message is, what are the error messages and what they mean and also how to possibly fix them. Finding out the error message If you ...
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 ...