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Phone: 400-027-8938

Mobile: 133 9714 9829

Product Details

The functions are as follows:

1. Collect the leakage current and reference voltage of the surge arrester, calculate the fundamental component and the 3rd, 5th, 7th, and 9th harmonic components of the leakage current, and record the number and timing of lightning strikes.

2. Acquire the PT unit bus voltage and the reference voltage, and calculate the fundamental component as well as the 3rd, 5th, 7th, and 9th harmonic components of the bus voltage.

3. CAN or 485 network communication

4. Real-Time Clock: Each device is equipped with a real-time clock function.

5. Temperature and Humidity Acquisition and Control: Utilizing high-precision temperature and humidity sensors, the system can acquire indoor temperature and humidity data in real time.

6. IEC 61850 communication.

 

 

 

 

Technical indicators

1. Intelligent Online Monitoring IED

  1. Operating voltage: AC 220V ±10%, 50Hz
  2. Power Consumption: Less than 5 W at rated voltage
  3. Operating ambient temperature: -10°C to +55°C
  4. Operating environment humidity: ≤95%
  5. 8-channel RS485 bus interface, 2 × 100 Mbps Ethernet ports, 1 DBG debugging port
  6. High-performance, low-power ARM Cortex‑A7 processor platform, 1.2 GHz, 1 GB RAM, 8 GB flash storage;
  7. Supports the standard MODBUS protocol, as well as DLT/860, IEC 61850, IEC 104, and other automation protocols.
  1. Busbar Voltage Online Monitoring Device
  1. Busbar voltage measurement range: 35 kV to 1000 kV; measurement accuracy: 0.5%
  2. Harmonic voltage measurement range: 3rd, 5th, 7th, and 9th harmonics; measurement accuracy: ±2%
  3. System frequency measurement range: 45–65 Hz; measurement accuracy: ±0.001 Hz.
  4. Temperature: -20℃ to 80℃, ±1%
  5. Humidity: 0–100% RH, ±1%
  6. Data communication: RS485 architecture, with a network rate of ≤2400 bps.

3 Lightning Arrester Online Monitoring Device

  1. Full current measurement range:   0.1 mA to 650 mA, measurement accuracy ±1% or 10 μA
  2. Resistive current measurement range:   0.01 mA to 650 mA, measurement accuracy ±1% or 10 μA
  3. System frequency measurement range: 45–65 Hz; measurement accuracy: ±0.001 Hz.
  4. Lightning strike count record: 0–255, year-month-day-hour-minute-second
  5. Temperature: -30℃ to 80℃, ±0.5℃
  6. Humidity: 0–100% RH, ±3%
  7. Data Communication: RS485 architecture, network rate: ≤9600 bps

Keywords:

NDBLJ-200C Lightning Arrester Online Monitoring System

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