AC Withstand Voltage Test Device| Detailed introduction of technical principles

AC withstand voltage test apparatus, AC withstand voltage tester, 750kV AC withstand voltage high-voltage testing equipment. This vehicle-mounted 750kV AC withstand voltage test platform consists of a base frame, SF6 gas reactor, SF6 gas capacitor voltage divider, excitation transformer, frequency modulation power supply, and automatic lifting device. The reactor and voltage divider are integrated using enclosed technology, resulting in a compact structure.

It can be used for on-site AC withstand voltage testing of power equipment with voltage levels of 500kV and below. In space-constrained locations such as pumped storage power stations and underground substations, it can be used for point-to-point connection of GIS and other test objects.

Multiple Specifications: 500kV, 750kV, 1000kV Integrated AC Overvoltage Test Platform. Key Features:

1. Vehicle-Mounted Integrated Platform: The entire 750kV series harmonic test system is highly integrated into a dedicated vehicle, enabling mobile deployment of testing capabilities.

2. Hydraulic Lifting System: Core components (such as reactors) are automatically raised and lowered via the vehicle-mounted overvoltage platform, eliminating hoisting and manual handling, significantly improving efficiency and safety.

3. Rapid On-Site Deployment: Testing can begin immediately after the hydraulic outriggers are leveled, eliminating complex hoisting procedures and greatly shortening preparation time.

4. Fully Automated Testing Process: Automatic tuning and locking of the resonant point; one-click completion of the entire process of voltage increase, timing, and decrease with preset parameters.

5. Remote Safe Operation: Supports fiber optic remote control, ensuring operators can complete tests from a safe distance.
6. Intelligent Protection and Monitoring: Multiple real-time protections (overvoltage, overcurrent, flashover, etc.) combined with key parameter monitoring and data recording ensure safe and reliable testing.

7. Reliable Grounding Guarantee: Integrated large-section grounding device and grounding detection function to ensure reliable grounding of equipment during testing;

1. Rated Voltage: 750kV

2. Rated Current: 6A

3. Rated Output Power: 4500kVA

4. Duty Cycle: ≥30min

5. Resonant Reactor: Rated Inductance 435H

6. Operating Frequency: 30-300Hz

7. Power Distribution: Rated Inductance 435H, Input Three-phase Four-wire

AC 380kV±10% +N 50Hz, Hydraulic Power Distribution Three-phase 40A Capacitor Divider

8. Rated Capacitance: 8000pF

9. Hydraulic System:

1) System Low Voltage: 3MPa±1MPa

2) System Medium Voltage: 8MPa±1MPa

3) System High Voltage: 16MPa±1MPa

4) System Flow Rate: 25L/min

10. Dimensions Dimensions: 9300mm (L) x 2300mm (W) x 2600mm (H) Weight: 16000kg

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