Mains Voltage Increase - Woodward easYgen-2000 Series User Manual

Configuration
Configure Monitoring > Mains > Mains Voltage Increase
ID Parameter
3003 Delayed by
engine speed
3009
8844 Mns. decou‐
pling by under‐
volt. 1
4.4.2.7

Mains Voltage Increase

General notes
144
CL Setting range Description
[Default]
2 Yes Monitoring for fault conditions is not performed until engine delayed moni‐
toring is enabled. The engine monitoring delay time (param‐
eter
parameters assigned this delay.
[No] Monitoring for this fault condition is continuously enabled regardless of engine
speed.
2 The mains undervoltage 1 alarm can be linked to the mains decoupling func‐
tion, if required.
On The mains undervoltage 1 trip is linked to the mains decoupling function with
all its consequences.
[Off] The mains undervoltage 1 trip is ignored in the mains decoupling function.
Notes
It is recommended to configure the operating limits (parameter
to 5817 Ä p.
Voltage is monitored depending on parameter "Monitoring" (param‐
eter 8806 Ä p.
voltage quality over a longer time period. It is realized as a 10
minute moving average. The function is only active, if mains is
within the operation window. If "Mains voltage measuring" (param‐
eter 1853 Ä p.
the slow voltage increase alarm is monitoring the individual three-
phase voltages of the mains according to parameter "AND charac‐
teristics" (parameter
decoupling volt. incr." (parameter
voltage increase shall trigger a mains decoupling or not.
easYgen-2200/2500 | Genset Control
3315 Ä p. 239) must expire prior to fault monitoring being enabled for
137) within the monitoring limits.
145). This function allows the monitoring of the
97) is configured to a three-phase measurement,
8849 Ä p. 145). The parameter "Mains
If this protective function is triggered, the display indi‐
cates "Mains volt. increase". The alarm can be incor‐
porated into the mains decoupling function.
The average is set to "Mains rated voltage" (parameter
1768 Ä p. 95) if:
Frequency is not in the operation window OR
–
Monitoring (parameter
–
Monitoring is "Delayed by engine speed" (param‐
–
eter 8833 Ä p. 145) OR
Monitoring is tripped AND the measured voltage is
–
again in the operation window
Back synchronization is only possible, if:
– The 10 minute average value is smaller than the
defined limit AND
The actual measured value is inside the operation
–
window AND
The mains settling time is over
–
5810 Ä p. 136
8808 Ä p. 145) determines if a
8806 Ä p. 145) is "Off" OR
37535B