On-line monitoring system for transformer core/clamp grounding

The JC-OM201 transformer core/clamp grounding online monitoring system consists of the JC-OM201 transformer core/clip grounding monitoring device and the JC-8000 integrated intelligent online monitoring device. Zero-flux current transformer: The secondary side of the transformer has dual windings, and the transformers with a large range and a small range are automatically selected according to the size of the current. At the same time, it cooperates with the amplification factor of the signal amplifier circuit to achieve high-precision measurement in a wide range;

Keyword:

Power IoT sensors Smart power distribution Internet of Things Smart cable tunnel gallery Smart power generation Internet of Things Smart Internet of Things

Free consultation telephone:

Product Details

The JC-OM201 transformer core/clamp grounding online monitoring system consists of the JC-OM201 transformer core/clip grounding monitoring device and the JC-8000 integrated intelligent online monitoring device.

Zero-flux current transformer: The secondary side of the transformer has dual windings, and the transformers with a large range and a small range are automatically selected according to the size of the current. At the same time, it cooperates with the amplification factor of the signal amplifier circuit to achieve high-precision measurement in a wide range;

JC-OM201/TR: Convert the iron core ground current signal into a digital quantity on the spot, and adopt signal processing technology to ensure stable measurement accuracy within the frequency range of 45Hz-50Hz. The collection terminal has the on-site temperature and humidity measurement function. The temperature and humidity data of the scene are provided for the operators. The device has passed the tests of high and low temperature, damp heat and electromagnetic compatibility, and has strong environmental adaptability.

JC-9000: Realize the functions of information modeling and communication, communication and alarm parameter setting.

Monitoring volume Monitoring range

Leakage current 0~10000mA Accuracy: ±0.5% or ±0.1mA

Working power supply AC220V Accuracy: ±20%

Communication mode CAN, RS485, GPRS (optional)

System frequency 46~60 Accuracy: ±0.01

Sampling period ≤5 (can be set)

System design service life 20 years

Working environment temperature -25-85℃, humidity 10-95%

Related Products

Current monitoring sensor of arrester in switchgear


Full current measurement range: 0.050 ~ 5.000mA Full current measurement error: ± (standard reading ×1%+5μA) Record the cumulative discharge times :0 ~ 99 times Power supply: DC24V Communication interface: RS-485

Ground resistance sensor


Power supply: dc6 ~ 12V Range: 0.01 Ω- two hundred Ω  Accuracy: ± 2%rdg ± 3dgt(20℃ ± 5 ℃, below 70% RH) Communication mode: RS485 Protection grade: IP54

High frequency current sensor


Sensitivity: 5pc Detection frequency band: 50KHz ~ 100MHz Signal output: RS485 Installation position: cable connector ground wire Installation mode: clamp type, clamping

Tilt sensor


Range: ± thirty °  Voltage: 9-35v Output mode: RS485 IP67 protection level

Infrared thermal imaging camera of switch cabinet


Thermal imaging resolution: 160 * 120 Visible light resolution: 200W Power supply: dc12-24 V Temperature range: - 20 ℃ ~ 150 ℃ Accuracy: ± 2 ℃ or 2% of the reading (take the maximum absolute value)

Space UHF PD sensor


Detection frequency band: 300 ~ 1500mhz Protection grade: IP65 Collect the discharge amplitude and phase The service life is more than 8 years

Micro weather sensor


Temperature: measuring range - 40 ~ 60 ℃ ° C Accuracy ± zero point one ° C; two Temperature: measurement range 0 ~ 100% RH Air pressure: measuring range: 10 ~ 1300 Wind speed measurement range: 0-75 M / S

Switch cabinet partial discharge sensor (UHF)


The system adopts UHF principle to conduct local discharge monitoring of high voltage switchgear to ensure the effective monitoring data, and increase system reliability. Ultra low power consumption and 485 bus communication mode are adopted. It is applicable to switch cabinet and ring network cabinet. Each cabinet is equipped with one set to realize the power / qualitative measurement of local discharge. It can be directly connected to the system host without the limitation of host channel.)

Switch cabinet partial discharge sensor (UHF + AE two in one)


The system adopts UHF + AE principle Ultra low power consumption and 485 bus communication mode are adopted, It is suitable for switch cabinet and ring main unit to realize the quantity / qualitative measurement of partial discharge

Intelligent air conditioning / dehumidification linkage device


AC / dc220v power supply is adopted Allowable deviation - 20% ~ + 20% Control output node capacity: AC / dc220v, ≥ 8A Support 2-4 independent node output capability

Intelligent light control unit


Output mode: switch type, realize local and remote control of lighting Wall mounted / 2U rack mounted Using brand devices to ensure reliability Size (mm): 480mm long × 85mm wide × 340mm deep

Intelligent water pump control unit


Output mode: switch type, realize the linkage control of water pump Wall mounted / 2U rack mounted, Using brand devices to ensure reliability Size (mm): 480mm long × 85mm wide × 340mm deep

Welcome your message consultation

Our staff will contact you within 24 hours (weekdays), if you need other services, please call the service hotline:0519-85851518