– So you have to compare with the values in manual – Input ac supply for the kit is 260V For MV, I have less than 60ms for one while 40 ms for the other type. – Usually, the higher volts may not affect the timing but will damage the insulation of the coil – ac supply for the kit, No for breaker control supply
– Direct supply from AC source for testing – Does variations in input voltage affect breaker timing?
That’s why you would have seen that the current is injected for a very short duration. Yes the hotter it has the higher the value. – Is circuit breaker contact resistance temperature-dependent – led is blinking for this relay (REL670) – It’s 934 A is showing when I inject only in R phase – inject only r phase backside of the relay terminal not on tb – CT ratio is OK in the relay when u inject is there any current in IN? – Relay is separated from PT CT, I am injecting current from omicron. – R u injected or the line is the charge? – Star point of relay Input Is correctly wired – Normal voltage is injected, And the normal current is injected. – Load on the R phase might be more as compared to other phases.
– Why is current in the R phase so much high on normal voltage – Check IRF alarm contact status to find the reason, It is an internal fault maybe. If it is a diagnostic failure then also it flashes – Go to main menu/monitoring/IED status/self-supervision, Check for the faulty hardware module. – Now communicated with relay, But the Blinking problem is not fixed – Not showing any fault Or warning code, the Only ready LED is Blinking – What is the fault code relay is showing? – When you read the data from relay through software what error it is showing? – u can also check the error code in the relay – Is the relay restarting again and again? Because it blinks when in test mode – relay faulty indiction is going on annunciation. That’s why it’s not communicating by software, How to fix it – On the upper side of Relay Ready LED is Blinking. – Can anyone provide the DNP3 protocol standard?
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