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담당자 :
Wang Hong
The core role of high-voltage door handle capacitors in coupling devices
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x제품 상세 정보
| 산재 | ≦0.0040 | 내 전압 | 1.5UR ● 1 분 |
|---|---|---|---|
| 절연 저항 | 1.0 × 105mΩ | ||
| 강조하다 | high voltage doorknob capacitors for coupling,door handle capacitors high voltage,coupling devices high voltage capacitors |
||
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제품 설명
The core role of high-voltage door handle capacitors in coupling devices
Drawing:
Parameters:
| No. | Specification | Dissipation | Withstanding voltage | Insulation resistance | Dimension(mm) | ||||
| 1 | 20kV-2000pF |
≦0.0040 |
1.5Ur● 1min |
≧1.0×105MΩ |
D | H | L | D | M |
| 2 | 20kV-10000pF | 45 | 19 | 23 | 12 | 5 | |||
| 3 | 20kV-18000pF | 65 | 15 | 19 | 12 | 5 | |||
| 4 | 30kV-1000pF | 80 | 17 | 25 | 12 | 5 | |||
| 5 | 30kV-2700pF | 45 | 24 | 32 | 12 | 4 | |||
| 6 | 30kV-12000pF | 60 | 20 | 28 | 12 | 4 | |||
| 7 | 40kV-150pF | 20 | 33 | 41 | 8 | 4 | |||
| 8 | 40kV-500pF | 28 | 33 | 41 | 8 | 4 | |||
| 9 | 40kV-7500pF | 80 | 24 | 29 | 12 | 6 | |||
| 10 | 40kV-10000pF | 80 | 22 | 26 | 16 | 5 | |||
| 11 | 50kV-1000pF | 50 | 30 | 34 | 12 | 4 | |||
| 12 | 50kV-1000pF | 32 | 27 | 31 | 16 | 5 | |||
| 13 | 50kV-5600pF | 80 | 31 | 35 | 16 | 5 | |||
| 14 | 60kV-1500pF | 50 | 31 | 34 | 12 | 5 | |||
| 15 | 60kV-3000pF | 65 | 32 | 35 | 16 | 5 | |||
| 16 | 100kV-500pF | 50 | 54 | 58 | 12 | 5 | |||
| 17 | 100kV-2000pF | 51 | 32 | 35 | 16 | 5 | |||
| 18 | Insulator type 100kV-1500pF | 68 | 36 | 40 | 16 | 5 | |||
| 19 | 150kV-820pF | 65 | 95 | 100 | 12 | 5 | |||
| 20 | 200kV-600pF | 50 | 90 | 94 | 16 | 5 | |||
High-voltage coupling devices are key components in power line carrier communications, signal acquisition, and energy extraction systems. Their core function is to safely and efficiently transfer high-frequency signals or energy from transmission lines to measurement/communication equipment while simultaneously blocking dangerous power-frequency high voltages. In this sophisticated system, high-voltage doorknob capacitors, with their excellent electrical insulation properties, stable capacitance characteristics, and high voltage resistance, serve as indispensable "frequency selectors" and "insulation barriers" in the coupling loop.
Core Challenges of Coupling Devices and Capacitor Solutions
An ideal coupling device must achieve precise signal coupling and reliable electrical isolation in high-voltage environments, which presents two core challenges:
The threat of high-frequency power voltages: Power-frequency voltages on power lines can reach tens to hundreds of kV and must be effectively blocked from sensitive communications or measurement equipment.
Efficient transmission of high-frequency signals: Carrier communications or pulse signals must be coupled to or extracted from the lines with extremely low loss, placing stringent demands on the frequency characteristics of the coupling components.
The Dual Role of Doorknob Capacitors: Isolation and Coupling
In high-voltage coupling devices, doorknob capacitors simultaneously play two key roles:
High-voltage isolator: Their high withstand voltage (e.g., 35-500 kV rating) enables them to be connected directly in series with high-voltage lines, withstanding power-frequency voltages and forming a robust electrical isolation barrier to protect downstream equipment and personnel.
High-frequency coupling path: For high-frequency carrier signals, capacitors present low impedance, creating an efficient energy and signal path. Their low loss ensures minimal signal attenuation during the coupling process.
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