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DPR - 1000

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[Basic Infomation]
[Additional Information]
  • Size120 * 245 * 185 mm
  • Weight3 kg
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Product Detail Information

DPR - 1000

DPR-1000 is the digital protective relay which is intended for monitoring and protecting the faults on the feeder of distribution system, especially for the medium-voltage motors

 

Features

  • 11 protective function for the medium-voltage motors
  • Compact type protective relay with built-in various add functions
  • Remote control & Monitoring of circuit breaker
  • MODBUS, DNP3.0 / RS-485 communication
Function
  • Protection & Control
    • Overcurrent (50/51P), Overcurrent ground (50/51N)
    • Thermal (49), Negative sequence overcurrent (46)
    • Selective ground (67G), Directional ground (67N)
    • Under current (37), Stall & locked rotor (48/51LR)
    • Starts per hour (66)
    • Lock-out (86)
    • 2 analog inputs (Thermistor)
    • 5 digital outputs
    • 3 digital inputs
  • Monitoring & Metering
    • I, Io, I2, Vo
    • Temperature (2 ch.)
    • Starting current, starting time, full load current, thermal, etc.
    • Event triggered wave recording: 15 Traces (Ir, Is, It, Io, Vo, AI1, AI2, DI/DO, etc.)
  • User Interface
    • 20×4 Character LCD
    • DNP3.0, Modbus/RS-485
    • PC interface software (GIPAM manager)

 

Characteristics 

Protection functions

Protective function

Operating part

Setting & Operating time

Remark

OCR(50/51)

Instantaneous

Setting: OFF, 0.5~20.0/0.1In

Below 40ms

high set

Instantaneous

Setting: OFF, 0.5~20.0/0.1In

Definite

low set

Operating time: 0.05~60.0/0.01s

Time delay

Setting: OFF, 0.1~4.0/0.02In

Curves

Operating time: 0.05~1.20/0.01 (Inverse)

SI, VI, EI, LI

OCGR(50/51N)

Instantaneous

Setting: OFF, 0.1~8.0/0.02In

Definite

Operating time: 0.05~300.0/0.01s

Time delay

Setting: OFF, 0.02~2.0/0.01In

Curves

Operating time: 0.05~1.20/0.01 (Inverse)

DT, SI, VI, EI, LI

0.05~60.0/0.01s (Definite)

 

NSOCR(46)

Time delay

Setting: OFF, 0.1~1.0/0.02In

Definite

high set

Operating time: 0.08~60.0/0.01s

Time delay

Setting: OFF, 0.1~1.0/0.01In

Curves

low set

Operating time: 0.05~1.00/0.01(Inverse)

DT, SI, VI, EI, LI

 

0.08~60.0/0.01s(Definite)

 

DGR(67N)

Time delay

Io Setting: 0.02~2.0/0.01Ion

Grounded system

Vo Setting: 11~80/1V

Definite

 

RCA Setting: 0~90/1°

 

Operating time: 0.05~10.00/0.01s

SGR(67G)

Time delay

Io Setting: 0.02~2.0/0.01Ion

Isolated system

Vo Setting: 11~80/1V

Definite

RCA Setting: 0~90/1°

 

Operating time: 0.05~10.00/0.01s

 

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

Motor Config.

(FLC×SVC.×O/L)

Time delay(Lock)

Operating time: 0.05~300.0/0.01s(Definite)

Motor Config.

0.05~1.20/0.01(Inverse)

UCR(37)

Time delay

Setting: 0.1~0.9/0.02In

Definite

Operating time: 0.05~300.0/0.01s

NCH(66)

-

Starts number: OFF, 1~5 times/1

Notching

Base time: 10~60min/1min

Time between starts block: 1~60min/1min

Operating time: 10~80%/1%

RTD(38)

Time delay

Setting: OFF, 20~180/1°C

Definite

Operating time: below 50ms

Motor protection

Motor factor

Setting & Operating time

Remark

STALL/START TIME

Tss (Stall operating time): 0.05~300.00/0.01s
Ts (Motor starting time): 1.0~300.0/0.1s

-

FLC/LRC

FLC: 0.20~2.00/0.01In
LRC: 0.50~10.00/0.01FLC

FLC: STALL Setting
LRC: LOCK Setting

SERVICE FACTOR

SVC: 1.00~1.20/0.05

-

THR CONST

Thermal const.(Heat): 2.0~60.0/0.5min

THR (49) Setting

Thermal const.(Cool): 2.0~60.0/0.5min

Overload Const. (O/L): 0.80~1.20/0.05

OCGR BLOCK TIME

B/T : 0.00~60.00/0.01s

Operating
delay time

 

Measurement

Item

Display range

Remark

Line / Load current

0.000A ~ 999.99kA (CTpri)

Start

 

Attached File