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Specifications
multi-loops power analyzer YD20801.Measure 3U,12I etc.
2.LCD display
3.RS485 port
4.Matched CT
Multi-loops Power Anaylzer:
Intelligent Power Analyzer YD2080 is a powerful, safe, reliable measurement and control devices, can be widely used in power systems, environmental monitoring such as low-voltage distribution automation. Two models of transformer input optional: CT20(5A/10 mA, 50A/10mA)and CT18(50A/10mA). It achieves the following functions:
Measuring voltage and each circuit current;
Measuring forward/reverse active power and forward/reverse reactive power
Measuring power factor
Measuring frequency
Measuring phase-phase angle and forward/reverse phase voltage
Counting current active power energy of each circuit
With phase-sequence detection & one way DI control
With 3DI
Technical Index
External
Host dimension:96 mm×96 mm×61mm
Trepanning dimension: 92 mm×92 mm
Display type:LCD
Measurement: applied to 3 phase 4 wire(balance/unbalance),3 phase 3wire(balance/unbalance)
Voltage(RMS)
Measurement range: 30~600V(line voltage 20~400V(phase voltage)
PT ratio:1~10
Input power consumption:≤0.25VA(220V) ≤0.60VA(600V)
Continuous overload: 800V
Current(RMS)/Circuit
Measurement range:0~10mA
CT ratio:1~10
Input power consumption:0.2VA
Continuous overload: 2 times
Power/Circuit
Single phase power:0~3000W/var/VA(50A transformer: 30000W/var/VA)
Total power: 0~9000W/var/VA(50A transformer: 90000W/var/VA)
Frequency
Measurement range: -1~1
Auxiliary power supply
DC18~90V
Power consumption≤5VA
Accuracy
Current & Voltage: 0.5%
Power & Power factor: 1%
Frequency: 45~60Hz±0.1Hz
Active energy: 1%
Insulation capacity
Among voltage/current/power supply/enclosure: 2.0kV/min·2mA
Between output/power supply: 2.0kV/min·2mA
Working condition
Working temperature: -10°C~50°C
Storage temperature: -25°C~75°C
Relative humidity: 20~95%RH without condensation
Electromagnetic compatibility
Surge: power supply: 4kV I/O:2kV
Electrical fast transient/burst: power supply: 4kV,2.5kHz I/O:2kV, 5kHz
Electrostatic discharge: contact discharge:6kV air-gap discharge: 8kV
Radio frequency electromagnetic field: 10V/m moderate-intensity electromagnetic radiation(eg, less than 1m from the mobile radio)
Communication
Port: RS485
Address: 1~247
Baud rate: 1200/2400/4800/9600/19200/38400
Parity bit: N/E/O
Data bit: 8bit
Stop bit:1bit
Communication protocol: Modbus
DI & DO function
3DI input
Mark |
Index content |
Note |
DI1 |
Power-cut |
When power-on normally, DI1 is in close status, and when power-cut, and the second loops is power-on, DI1 closed, and the indicator blinking. Simultaneously, the time of power-on in the second loop on the LCD is timing. |
DI2 |
SPD fault |
When it errors, DI2 closed and the indicator blinking |
DI3 |
Tripping for air-switching |
When it tripping, DI3 closed, and the indicator blinking |
1DO output
Phase-sequence fault: When the phase sequence is normal (UA, UB, UC), the positive sequence voltage = average phase voltage, negative sequence voltage is 0, DO in a disconnected state; when the phase sequence fault (UA, UC, UB), the positive sequence voltage is 0, negative sequence voltage = average phase voltage, DO in the closed state, the indicator lights.
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