MICROENER IM30-GLF, Руководство по эксплуатации

Страница: 8 / 31

IM30-GLF
Doc. N° MO-0062-ING
Rev. 3
Date 14.02.2005
Copyright 2010 - Microener Firmware: 2.0X Pag 8 of 31
2.3.4 - F46 - Current unbalance : Measurement of RMS Negative Sequence Current I
2
F1 46 : I
2
2
t = K (adiabatic heating)

Generator’s continuous I
2
rating
Setting 1Is
= Dis blocks function’s operation
:
1Is = (0.05-0.5)Ib, step 0.01Ib

Time multiplier :
Ks = (5-80)s, step 1s
Trip time when I
2
= I
b

Trip time delay
2
b 2
h
) /I (I
Ks
t

Heat accumulation only operates if I
2

[1Is]

Cooling time from trip level to the status corresponding to
the operation at I
2
=[1Is]
: tc = (10-1800)s, step 1s
Cooling time t
I
I
Ks
[tc]
t
2
b
2
l








: t
l
= [tc] when Ks t
I
I
2
b
2
 






Cooling only takes places if 1Is
I
I
b
2

(see curves TU0312 Attachment. B)
F2 46 : Alarm

Alarm level
Setting 2Is
= Dis blocks function’s operation
: 2Is = (0.03-1)Ib, step 0.01Ib

Independent trip time delay : t2Is = (1-100)s, step 1s
2.3.5 - F32 - Reverse active power

Active current setting range
Setting Ir>
= Dis blocks function’s operation
:
Ir> = (0.02-0.2)In, step 0.01In

Operation level : = Ic cos (

c-180°)

[Ir]

Independent trip time delay :
tIr> = (0.1-60)s, step 0.1s

Operation zone : (-90°+180°)<

c<(90°+180°)