ABB Relion 630 Series RET630 Product Manual page 57

Transformer protection and control
Table of Contents

Advertisement

ABB
Transformer Protection and Control
RET630
Product version: 1.1
Table 82. Current circuit supervision (CCRDIF)
Characteristic
1)
Operate time
1) Including the delay of the output contact.
Table 83. Current circuit supervision (CCRDIF) main settings
Parameter
Start value
Maximum operate
current
Table 84. Trip circuit supervision (TCSSCBR)
Characteristic
Time accuracy
Table 85. Tap position indication (TPOSSLTC)
Descrpition
Response time for binary inputs
Table 86. Energy monitoring (EPDMMTR)
Characteristic
Operation accuracy
Suppression of harmonics
Table 87. Station battery supervision (SPVNZBAT)
Characteristic
Operation accuracy
Operate time accuracy
Function
CCRDIF
CCRDIF
Value
< 30 ms
Values (Range)
0.05...2.00 pu
0.05...5.00 pu
Value
±1.0% of the set value or ±40 ms
Value
Typical 100 ms
Value
At all three currents in range 0.10...1.20 x In
At all three voltages in range 0.50...1.15 x U
At the frequency f = f
n
Active power and energy in range |PF| > 0.71
Reactive power and energy in range |PF| <
0.71
±1.5% for energy
DFT: -50dB at f = n x f
n
...
Value
±1.0% of the set value
±1.0% of the set value or ±40 ms
1MRS756978 D
Issued: 2011-05-18
Step
0.01
0.01
n
n
, where n = 2, 3, 4, 5,
57

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents