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DPR1000
Compact digital protection relay for protection of high-power feeders or high voltage motors.
Features
Protection Function
ㆍVarious protection factor (13 protection factors)
ㆍVarious measurements and monitoring functions (5 measurements)
Convenience Function
ㆍEasy user interface
Protection factor
Protective function | Operating part | Setting & Operating time | Remark |
---|---|---|---|
OCR (50/51) | Instantaneous high set | Setting: OFF, 0.5~20.0/0.1In | Below 40ms |
Instantaneous low set | Setting: OFF, 0.5~20.0/0.1In Operating time: 0.05~60.0/0.01s |
Definite | |
Time delay | Setting: OFF, 0.1~4.0/0.02In Operating time: 0.05~1.20/0.01 (Inverse) |
Curves SI, VI, EI, LI |
|
OCGR (50/51N) | Instantaneous | Setting: OFF, 0.1~8.0/0.02In Operating time: 0.05~300.0/0.01s |
Definite |
Time delay | Setting: OFF, 0.02~2.0/0.01In Operating time: 0.05~1.20/0.01 (Inverse) |
Curves DT, SI, VI, EI, LI |
|
NSOCR (46) | Time delay high set | Setting: OFF, 0.1~1.0/0.02In Operating time: 0.08~60.0/0.01s |
Definite |
Time delay low set | Setting: OFF, 0.1~1.0/0.01In Operating time: 0.05~1.00/0.01(Inverse) |
Curves DT, SI, VI, EI, LI |
|
DGR (67N) | Time delay | Io 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 delay | Io 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 delay | Setting: 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) |
Motor Config. Curves DT, VI, EI |
|
UCR (37) | Time delay | Setting: 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 delay | Setting: OFF, 20~180/1℃ Operating time: below 50ms |
Definite |
Specification
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 |