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Intelligent Composite Switch
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Intelligent Composite Switch
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- Commodity name: Intelligent Composite Switch
- Commodity ID: 1362032605695463424
- 类型: Electrical energy remediation
- 品牌: Capni
Brand: Zhiyuan New Energy Description: The intelligent low-voltage composite switch is a smart, environmentally friendly low-voltage capacitor switching device that combines the advantages of thyristors and AC contactors. Its operating principle involves connecting a thyristor and a relay in parallel, enabling the composite switch to benefit from the zero-crossing switching feature of thyristors during switching transitions, while also enjoying the zero-power consumption advantage of AC contactors during normal operation.
The intelligent low-voltage composite switch is an intelligent, environmentally friendly low-voltage capacitor switching device that combines the advantages of thyristors and AC contactors. Its operating principle involves connecting a thyristor and a relay in parallel, enabling the composite switch to benefit from the zero-crossing switching feature of the thyristor during switching transitions, while also enjoying the advantage of zero power consumption typical of AC contactors during normal operation.
It addresses the shortcomings of thyristors and AC contactors in low-voltage reactive power compensation applications. The product’s main advantages are: upon receiving an external control signal, it intelligently determines the optimal switching point automatically, ensuring zero-crossing switching with minimal inrush current and preventing contact welding.
Low power consumption; at the same time, it features overvoltage protection and significantly improves in terms of inrush current suppression and safety and reliability compared to similar products.
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Voltage: 380V/220V (±20%), three-phase four-wire AC (50Hz ±5%)
Control voltage: DC: 4–32V;
Surge current: ≤2In
Control capacity: Total three-phase compensation capacity ≤ 50 kvar; per-phase compensation capacity ≤ 13.3 kvar.
Switching method: Zero-crossing switching + relay-based mechanical switching
Intelligent mechanisms: Intelligent monitoring, phase-loss protection for voltage faults, phase-loss protection for power supply voltage, self-diagnosis fault protection, and power outage protection.
Low power consumption: ≤1.5 VA
Service life: ≥100,000 cycles
Impedance: Input impedance ≥ 6.8 kΩ
On-state impedance: ≤0.003Ω
Response time: ≤100ms
Interval between each connection and disconnection: ≥6s
Interconnection interval for two consecutive connections: ≥5s
Insulation rating: ≥10 MΩ under normal atmospheric conditions
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Rated voltage
380V/220V (±20%) three-phase four-wire AC (50Hz ±5%)
Switching method
Zero-crossing switching + relay mechanical switching
Rated capacity (kvar)
The total three-phase compensation capacity ≤ 50 kvar; the per-phase compensation capacity for split-phase compensation ≤ 13.3 kvar.
Intelligent mechanism
Smart monitoring, phase-loss protection for voltage faults, phase-loss protection for power supply voltage, self-diagnosis fault protection, and power failure protection.
Low power consumption
≤1.5 VA
Control voltage
DC 4-32V
Inrush current
≤ 2 times the rated current
Switching response time
≤100ms
Interval between each connection and disconnection
≥6s
Interval between two consecutive connections
≥120s
Terms of Use
Indoor, the medium contains no conductive dust.
Operating temperature/humidity
Temperature: -25℃ to +45℃; relative humidity not exceeding 90%.
Storage/Transportation Temperature
-40℃ to 60℃
Altitude
Below 2000m (Please call to explain if exceeding the requirement)
Service life
100,000 cycles, maintenance-free
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