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参数资料
| 型号： | PGR-5330-01-00 |
| 厂商： | Littelfuse Inc |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | GRND RES RELAY DEVICENET UNIV |
| 标准包装： | 1 |
| 系列： | POWR-GARD® |
POWR-GARD ? Protection Relays, Monitors & Systems
Ground-Fault Protection – Resistance-Grounded System (PGR 5000 Family)
PGR-5330 SERIES
Resistance Grounded Relay
Description
The PGR-5330 is an advanced ground-fault and grounding-
resistor-monitoring relay. It measures neutral current, neutral-to-
ground voltage, and neutral-to-ground resistance. It provides
continuous monitoring of the neutral-to-ground path to verify
that the neutral-grounding resistor (NGR) is intact. This is of
utmost importance because an open NGR renders current-
sensing ground-fault protection inoperative. The PGR-5330 can
be used with low- and medium-voltage transformers and
generators used in processing, manufacturing, chemical, pulp
and paper, petroleum, and water-treatment facilities.
Resistor Monitoring
The PGR-5330 combines the measured values of resistance,
current, and voltage to continuously determine that the NGR
is intact. It is able to detect a resistor failure with or without a
ground fault present. Voltage-rated sensing resistors are used to
monitor NGRs on systems up to 35 kV.
Ground-Fault Monitoring
The PGR-5330 uses an application-appropriate current
transformer to reliably detect ground-fault currents as small as
100 mA. DFT filtering ensures that false trips due to harmonic
noise from adjustable-speed drives do not occur. Should the
resistor open and a ground fault subsequently occur, the
PGR-5330 will detect the fault through voltage measurement,
while other current-sensing relays will be ineffective.
Wiring Diagram
Simplified Circuit Diagram
CONTROL
POWER
1
2
UNIT
HEALTHY
12
13
CT
B
POWER SYSTEM
NEUTRAL (X0)
POWR-GARD
SENSING RESISTOR
PGE FAMILY
?
3
15
POWR-GARD ? 16
RESISTANCE GROUNDED RELAY 17
PGR-5330 SERIES
+24 Vdc 18
RESET
PULSE
ENABLE
NGR
POWR-GARD ?
PGE FAMILY
SENSING RESISTOR
A
L1
L2
POWR-GARD ?
PGR-5330
RESISTANCE
GROUNDED
RELAY
N
(required)
R
6
R
ANALOG
OUTPUT
4-20 mA
+
19
20
Accessories
G A
POWR-GARD ?
7
G
TRIP OR
PULSING
0 V 21
22
23
A
PGE Family Sensing Resistors
Required interface between the power system
and the PGR-5330. Eliminates hazardous voltage
levels at the relay.
CURRENT TRANSFORMER
PGC FAMILY
(required)
B
8
9
10
11
GROUND
FAULT
RESISTOR
FAULT
24
25
26
27
28
29
B
PGC-3000 Ground-Fault Current Transformers
Sensitive ground-fault current detection (5 A primary)
PGC-5000 Ground-Fault Current Transformers
Sensitive ground-fault current detection (30 A primary)
Other Current Transformers
For low resistance NGRs choose a CT primary
approximately equal to the NGR rating.
www.littelfuse.com/pgr-5330
14
? 2010 Littelfuse ? POWR-GARD ? Protection Relay Catalog
相关PDF资料 |
PDF描述 |
|---|---|
| PGR-5330-03-00 | GRND RES RELAY ETHERNET UNIV |
| PGR-6210-04 | GE RETRO RS-232 ETHERNET CIM |
| PGR-6300-01-00 | KIT MPS W/COMM & OPER INTERFACE |
| PGR-6300-04-00-CTU | MPS W/ETHERNET CONTROL UNIT |
| 210-2MSTFD | SWITCH RAISED ACTUATOR 2 SEC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PGR-5330-02-00 | 功能描述:工业继电器 GRND RESISTOR RELAY- PROFIBUS-UNIVERSAL RoHS:否 制造商:TE Connectivity / Kilovac 触点形式:1 Form A (SPST-NO) 触点电流额定值: 线圈电压:9 VDC to 36 VDC 线圈电阻:38 Ohms 线圈电流: 切换电压: 安装风格:Panel 触点材料:Silver Palladium |
| PGR-5330-03-00 | 功能描述:工业继电器 GRND RESISTOR RELAY- ETHERNET-UNIVERSAL RoHS:否 制造商:TE Connectivity / Kilovac 触点形式:1 Form A (SPST-NO) 触点电流额定值: 线圈电压:9 VDC to 36 VDC 线圈电阻:38 Ohms 线圈电流: 切换电压: 安装风格:Panel 触点材料:Silver Palladium |
| PGR-5330-20-00 | 功能描述:工业继电器 GRND RESISTOR RELAY- LOCAL ONLY-DC SUPPLY RoHS:否 制造商:TE Connectivity / Kilovac 触点形式:1 Form A (SPST-NO) 触点电流额定值: 线圈电压:9 VDC to 36 VDC 线圈电阻:38 Ohms 线圈电流: 切换电压: 安装风格:Panel 触点材料:Silver Palladium |
| PGR-5330-21-00 | 功能描述:工业继电器 GRND RESISTOR RELAY- DEVICENET-DC SUPPLY RoHS:否 制造商:TE Connectivity / Kilovac 触点形式:1 Form A (SPST-NO) 触点电流额定值: 线圈电压:9 VDC to 36 VDC 线圈电阻:38 Ohms 线圈电流: 切换电压: 安装风格:Panel 触点材料:Silver Palladium |
| PGR-5330-22-00 | 功能描述:工业继电器 GRND RESISTOR RELAY- PROFIBUS-DC SUPPLY RoHS:否 制造商:TE Connectivity / Kilovac 触点形式:1 Form A (SPST-NO) 触点电流额定值: 线圈电压:9 VDC to 36 VDC 线圈电阻:38 Ohms 线圈电流: 切换电压: 安装风格:Panel 触点材料:Silver Palladium |
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