VAMP 210 User Manual

VAMP Ltd Generator protection relay
Technical description
VAMP 210
VM210.EN004 Vamp 24h support phone: +358 (0)20 753 3264
51
Voltage restrained overcurrent stage I
V
> (51V)
Settings:
- I
V
> 0.50 – 4.00 x I
gn
- U
X1
, U
X2
0 – 150 %
- I
Y1
, I
Y2
0 – 200 %I
V
>
Definite time function:
- Operating time 0.08 – 300.00 s (step 0.02 s)*
Start time <60 ms
Reset time <60 ms
Reset ratio 0.97
Inaccuracy:
- Starting ±3% of set value
- Operate time ±1% or ±30 ms
**) This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
Unbalance stage I
2
> (46)
Multiplier K
2
2 – 30 %
Definite time function:
- Operate time 1.0 – 600.0 s (step 0.1 s)
IDMT function:
- Time multiplier k
1
1 – 40 s
Start time <300 ms
Reset time <300 ms
Reset ratio 0.95
Inaccuracy:
- Starting ±3% units or 0.5% of rated value
- Operating time ±5% or ±300 ms
5.3.2. Earth-fault protection stages
Earth fault stage I
0
> (50N/51N)
Setting range 0.005 - 1.000 pu
Definite time function:
- Operating time 0.08 – 300.00 s (step 0.02 s)**
IDMT function:
- 4 curve groups (IEC 60255-3) EI, VI, NI, LTI *)
- Time multiplier k 0.05 - 3.20
Start time <60 ms
Reset time <60 ms
Reset ratio 0.97
Inaccuracy:
- Starting ±2% of set value or ±0.3% of rated value
- Operating time at definite time function ±1% or ±30 ms
- Operating time at IDMT function. ±5% or at least ±30 ms (I< 5 x I
n
and I< Iset
*20)
*) EI = Extremely Inverse, NI = Normal Inverse, VI = Very Inverse, LTI = Long Time Inverse
**) This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
Earth fault stage I
0
>> (50N/51N)
Setting range 0.01 - 2.00 pu
Definite time function:
- Operating time 0.08 – 300.00 s (step 0.02 s)*
Start time <60 ms
Reset time <60 ms

VAMP 210 Specifications

General

Brand	VAMP
Model	210
Category	Relays
Language	English