Dear catserveng and squeeky,
I really appreaciatte your help, you gave me tons of ideas of what the problem could be, let me tell you that i got it fixed, the DECS it was not receiving stop command trough a N.C. contact when we were stopping, a contact that is supposed to close when the...
HI Mike I would like to give you more information that I justo found, when alarma shows up, 6 seconds later the DEC turn to AVR (auto) mode,I notice that appear and desappear these alarmas too: "Under frequency" and "sistem below 10 Hz", When Unit stop completely, shows unit is off, by then...
Thanks Mike for your fast reply, Our unit is an existing unit, and this problem is a new problem too, we are going to setup our datalog to see what's going on if were loosed wire we should have trouble during operation (FCR mode)and only appear during stopping, we command this unit remotely and...
HI THERE, OUR BEST REGARD;
FIRST, SORRY FOR OUR BAD ENGLISH, WE ARE A TROUBLE WITH OUR DECS-200. WE HAVE A 4.6 MW GENERATOR, WHEN WE GIVE THE STOP COMMAND, 3 SECONDS LATER OPENS THE GENERATOR'S SWITCH THEN APPEAR ON SCREEN VOLTAGE MATCHING,OF COURSE, THE GENERATOR VOLTAGE DECREASE AND 2...