Technical parameters of synchronous generators excitation systems

Name of parameter	Unit of measurement	Value
Input voltage frequency	Hz	50 ± 2 %
Ratio of current forcing	p.u.	2
Ratio of voltage forcing	p.u.	2
Duration of maximum forcing, max.	s	60
Range of output voltage regulation	p.u.	0,06…2,0 Uн
Single-phase auxiliaries supply voltage	V	220 + 10/-15 %
DC operating voltage	V	220 or 110 (+10 /-15 %)
Efficiency coefficient, min.	-	0,95
Coefficient of network current nonlinear distortions, max.	%	5
Protection level	-	IP 21…IP 54 (upon request)
Lifetime, min.	years	15
Mean recovery time, max.	min	40
Interference resistance	-	meets all standards requirements
Long-term permissible deviation of generator voltage frequency	Hz	+2/-3