CYG PRS-7367 User Manual

Protection Functions
PRS-7367 41
No
Name
Values(Range)
Unit
Step
Default
Description
1
51PVTi_Cur_Str
0.04-20.00In
A
0.01In
0.04In
The Stage i VTS OC Start current
value
2
51PVTi_Mul_Cur
0.8 - 10.0
-
0.1
1
The Stage i VTS OC Multiplier
current start value
3
51PVTi_Curve_ParaA
0.000~120.000
s
0.001
0
The Stage i VTS OC Curve
parameter A
4
51PVTi_Curve_ParaB
0.000~9.000
s
0.001
0
The Stage i VTS OC Curve
parameter B
5
51PVTi_Curve_ParaC
0.0~1.0
-
0.1
1.0
The Stage i VTS OC Curve
parameter C
6
51PVTi_Curve_ParaP
0.02~2.00
-
0.01
2.00
The Stage i VTS OC Curve
parameter P
7
51PVTi_Curve_ParaK
0.05-100
-
0.01
1.00
The Stage i VTS OC Curve
parameter k
8
51PVTi_Min _Op_T
0.040-60.000
s
0.001
0.040
The Stage i VTS OC minimum
operation time delay
9
51PVTi_Reset_T
0.000 -60.000
s
0.001
0.02
The Stage i VTS OC Reset time
delay
10
51PVTi_Ena
0~1
-
1
0
The Stage i VTS OC Operation
Enable/Disable
11
51PVTi_Alm_Ena
0~1
-
1
0
The Stage i VTS OC Alarm
Enable/Disable
12
51PVTi_Str_Ph_Num
1~3
/
1
1
The Stage i VTS OC Number of
phases required for operate
activation
3.3 Directional overcurrent protection 67P
3.3.1 67P Overview
The overcurrent protection in this relay provides four-stage directional phase overcurrent
protection within dependent definite time (DT) and inverse definite minimum time (IDMT)
characteristics. Each stage can be enabled or disabled independently by the logic settings
respectively. All overcurrent module, phase selection module, time characteristic settings apply to
all three phases and are independent from each other. The operate time characteristics for each
stage can be selected to be either definite time (DT) or inverse definite minimum time (IDMT).
Configuring the relevant settings can enable or disable the corresponding protection.
3.3.1.1 Function Block
The function block of the protection is as below.

CYG PRS-7367 Specifications

General

Brand	CYG
Model	PRS-7367
Category	Control Unit
Language	English