SDY-GX2000 Circuit Breaker Mechanical Characteristics Online Monitoring System

SDY-GX2000 Circuit Breaker Mechanical Characteristics Online Monitoring SystemUsed to monitor the operating characteristic parameters of circuit breakers, evaluate their health status, and identify potential defects. applied toThe online monitoring of various types of circuit breakers from 6kV to 1000kV can be directly installed in the circuit breaker control cabinet or secondary room, with wireless transmission and easy installation.

Monitoring parameters include:

1. main circuitCT secondary current

2. divide/Closing coil current

3. Energy storage motor current

4. Contact stroke

5. mechanical vibration

6. Switch auxiliary contact status

7. Control circuit voltage

SDY-GX2000 Circuit Breaker Mechanical Characteristics Online Monitoring SystemBy monitoring the above parameters during each opening and closing action of the circuit breaker, analyzing the recorded waveform curve, and comparing it with the standard curve library to evaluate the health status of the circuit breaker. The following parameters can be obtained through monitoring data analysis:

1．Circuit breaker division/Combined state

2．Opening and closing time

3．Number of opening and closing actions

4．Synchronization of opening and closing

5．Accumulated electrical wear of the main contact (based onI²T characterization)

6．Contact stroke

7．Auxiliary contact action time

8．energy storage duration

9．Energy storage frequency

10．Three phase current waveform during opening and closing process

11．Current waveform of opening and closing coil

12．Working current waveform of energy storage motor

The system is divided into/The analysis of the current waveform of the closing coil can obtain the following parameters:

1. divide/Time when the closing coil is energized

2. The moment when the iron core begins to move

3. Time of iron core impact tripping

4. The iron core moves to the stroke time

5. Main contact of circuit breaker/Closing completion time

6. divide/The moment when the auxiliary contact of the closing coil circuit is disconnected

7. divide/Time of power-off of the closing coil

The system can obtain the following parameters by analyzing the current waveform of the energy storage motor:

1．Peak value of motor starting current

2．Peak and average current during energy storage period

3．Starting time of electric motor

4．Torque time

5．energy storage duration

6．Current cut-off time

Main technical features

1.Synchronous sampling, waveform recording analysis;

2.Real time monitoring of the main circuitCT secondary current waveform, fault current waveform, and remaining electrical life;

3.Real time monitoring of circuit breaker opening/Closing current waveform, energy storage motor current waveform, and number of actions;

4.Analysis Score/Characteristic parameters of closing current waveform and energy storage motor current waveform;

5.Real time monitoring of circuit breaker vibration frequency and amplitude;

6.Real time collection of monitoring signals, continuous jumping and automatic triggering of waveform recording;

7．supportLoRa and WiFi wireless networking, with optional LoRa frequency range (410MHz~493MHz);

8．Adopting the new generationLoRa spread spectrum technology, with long transmission distance, good penetration capability, and strong anti-interference ability;

9．supportModbus, DL/T860 (IEC61850) standard communication protocol;

10．Support mobile terminalsWiFi access, extracting and viewing recorded data;

11．supportExtract waveform data from USB flash drive;

12．supportSNTP network timing;

13．Support the access of temperature monitoring data for circuit breakers;

Main technical indicators