InsulGard System Installation and Start Up Guideline
33
Appendix 3. PD Sensors Designation in Database
Common rules for sensor designation in InsulGard database:
1 - for upper switchgear cubical part
2 - for bottom switchgear cubical part
- omitted for non divided cubical
Phase:
A
, or
B
, or
C
, or
N
- for RFCT sensor
installed on all three feeder shield ground wires
- Switchgear cubical # counted from line left side
- RTD-6 PD output #
- can be omitted if applicable
Sensor Type:
CC_ - IPDS sensor
CT_ - RFCT sensor
CTb - RFCT on bottle grounding wire
RTm - RTD-6 PD sensor (new design)
RTD - RTD-6 PD sensor (old design)
C C _ 0 2 A 2
Typically the InsulGard monitor comes preconfigured in accordance with available information on the application and
the configuration worksheet filled out at the time of order entry (see example below of PD sensor location on a
switchgear line). Switching InsulGard devices can require significant reprogramming of database software and
InsulGard firmware settings and can lead to errors.
InsulGard ID: SWG 72YJ573, VS #6
Insulgar
d
Channe
l #
Sensor Type
CC
– Coupling Capacitor (IPDS)
CT- CT on cable shield ground
CTb - CT on a bottle shield
ground
(
Rule 1
)
Cubicle
Position from
left to right
(
Rule 2
)
Vertical Position
1
for Top or
2
for Bottom
compartment (if
applicable)
(
Rule 2
)
Phase:
Combined
Sensor
Name
(
Rule 3
)
(
Rule 4
)
(A / B / C/ N)
1
CC
2
2
A
CC_02 A2
2
CC
2
2
B
CC_02 B2
3
CC
2
2
C
CC_02 C2
4
CC
5
2
A
CC_05 A2
5
CC
5
2
B
CC_05 B2
6
CC
5
2
C
CC_05 C2
7
CC
8
2
A
CC_08 A2
8
CC
8
2
B
CC_08 B2
9
CC
8
2
C
CC_08 C2
10
CT
3
1
N
CT_03 N1
11
CT
4
2
N
CT_04 N2
12
CT
5
2
N
CT_05 N2
13
CT
6
2
N
CT_06 N2
14
CT
8
2
N
CT_08 N2
15
CT
9
2
N
CT_09 N2
Sensor designations in this table indicate:
type of the sensor (CC_ - IPDS)
place of installation (02
– line up vertical section - cubicle position counted from left to right)
bus or feeder phase (A), (For RFCT sensors (CT) installed on all three feeder shield ground wires its phase
designated as N
– neutral)
part of the vertical section if applicable (2 - bottom part)
