DPR1000

Compact digital protection relay for protection of high-power feeders or high voltage motors.

Features

Protection Function

  • Various protection factor (13 protection factors)
  • Various measurements and monitoring functions (5 measurements)

Convenience Function

  • Easy user interfacr

Specification

Protection factor

Protective functionOperating partSetting & Operating timeRemark
OCR (50/51)Instantaneous high setSetting: OFF, 0.5~20.0/0.1InBelow 40ms
Instantaneous low setSetting: OFF, 0.5~20.0/0.1In
Operating time: 0.05~60.0/0.01s
Definite
Time delaySetting: OFF, 0.1~4.0/0.02In
Operating time: 0.05~1.20/0.01 (Inverse)
Curves
SI, VI, EI, LI
OCGR (50/51N)InstantaneousSetting: OFF, 0.1~8.0/0.02In
Operating time: 0.05~300.0/0.01s
Definite
Time delaySetting: OFF, 0.02~2.0/0.01In
Operating time: 0.05~1.20/0.01 (Inverse)
 
0.05~60.0/0.01s (Definite)
Curves
DT, SI, VI, EI, LI
NSOCR (46)Time delay high setSetting: OFF, 0.1~1.0/0.02In
Operating time: 0.08~60.0/0.01s
Definite
Time delay low setSetting: OFF, 0.1~1.0/0.01In
Operating time: 0.05~1.00/0.01(Inverse)
 
0.08~60.0/0.01s(Definite)
Curves
DT, SI, VI, EI, LI
DGR (67N)Time delayIo Setting: 0.02~2.0/0.01Ion
Vo Setting: 11~80/1V
RCA Setting: 0~90/1°
Operating time: 0.05~10.00/0.01s
Grounded system
Definite
SGR (67G)Time delayIo Setting: 0.9~6.0/0.01mA
Vo Setting: 11~80/1V
RCA Setting: 0~90/1°
Operating time: 0.05~10.00/0.01s
Isolated system
Definite
THERMAL (49)Time delaySetting: OFF, 50~100/1% (τh, τc)Motor Config.
STALL/LOCK
(48/51LR)
Time delay(Stall)Setting: 0.50~10.00/0.01
(FLC×SVC.×O/L)
Motor Config.
Time delay(Lock)Operating time: 0.05~300.0/0.01s(Definite)
 
0.05~1.20/0.01(Inverse)
Motor Config.
Curves DT, VI, EI
UCR (37)Time delaySetting: 0.1~0.9/0.02In
Operating time: 0.05~300.0/0.01s
Definite
NCH (66)-Starts number: OFF, 1~5 times/1
Base time: 10~60min/1min
Time between starts block: 1~60min/1min
Operating time: 10~80%/1%
Notching
TPR (38)Time delaySetting: OFF, 20~180/1℃
Operating time: below 50ms
Definite

Specification

Ratings
Type Specification
Wiring  3P3W, 3P4W
Input Frequency  60Hz or 50Hz
Voltage GPT  190, 190 / √3
Current CT  5A
ZCT  1.5mA
Control Voltage   DC 110/125V, AC 110V 50/60Hz (or AC/DC 88V~132V)
Power Consumption  Steady: below 30W Operating: below 70W
Burden PT  0.5VA
CT  1.0VA
Digital Input   Digital Input: AC/DC 110V
Output For trip  AC 250V 16A/DC 30V 16A Resistive Load
 AC 2500VA, DC 300W
For alarm  AC 250V 5A/DC 30V 5A Resistive Load
 AC 750VA, DC 90W
Insulation Resistance  Over DC 500V 100㏁
Insulation Voltage   AC 2kV (1kV) / for 1 min
Impulse Voltage   AC 5kV (3kV) Over 1.2×50㎲
Overload Withstand Current circuit  2 In for 3 hours
 20 In for 2 seconds
Voltage circuit  1.15 Vn for 3 hours
Fast Transient Disturbance   Power Input 4kV
 Other Input 2kV (Analog input 1kV)
ESD (Electrostatic Discharge)   Air 8kV
 Contact 6kV
Operation temperature   -10℃ ~ 55℃
Storage Temperature   -25℃ ~ 70℃
Humidity   Within 80% RH, no condensation
Altitude   1000m and below
Others   Non-impact place
 Non-air pollution place
Standard  IEC 60255, IEC 61000-4, KEMC 1120
Dimension (W×H×D)  120×245×185 (mm)
Weight  3.4kg

More Information

All in one

Hanoi Office

10th floor, 789 building, 147 Hoang Quoc Viet street, Cau Giay District, Ha Noi city, Vietnam

Hai Phong

LGE Factory - Tràng Duệ Industrial - An Dương District, Hải Phòng City

Da Nang

Văn phòng đối tác (HVN) 305 - Nguyễn Tất Thành - Hải Châu - Đà Nẵng

Ho Chi Minh Office

17th floor, Empress building, 138-142 Hai Ba Trung street, Da Kao ward, Distric 1, Ho Chi Minh city, Vietnam