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HF-WC-605 Switchgear Mechanical Characteristic Analyzer
As a professional Chinese manufacturer, we provide high-precision Switchgear Mechanical Characteristic Analyzers. The equipment accurately tests closing time, stroke and bounce of HV switches. We support customized configurations and deliver free technical guidance and comprehensive after-sales service to global power clients.
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Product Introduction
HF-WC-605 High Voltage Switch Mechanical Characteristic Testing System adopts an industrial computer equipped with a 15-inch touch screen and industrial resistive touch control. It is powered by a 1.8GHz dual-core processor with 4GB RAM and runs on the Windows 10 operating system. The humanized graphical interface supports both Chinese and English input, friendly for field operators. It is widely applied in circuit breaker manufacturers, third-party calibration institutions, state grid power corporations and other entities.
Formulated based on GB1984-2014 High-Voltage Alternating Current Circuit Breakers, DL/T846.3-2017 domestic power industry standards, this testing system delivers reliable dynamic analysis for all types of circuit breakers. It accurately measures mechanical characteristic parameters of oil circuit breakers, vacuum breakers, SF6 high-voltage breakers across all voltage classes.
Main Features & Functions
- Built-in adjustable DC power supply module with output range DC 6V~270V and maximum current 20A. It completes closing/opening coil operating voltage tests and low-voltage actuation tests (manual & automatic trigger modes) for 24V/15A breaker coils.
- Comes standard with linear transducers, rotary angle transducers, mounting brackets and multi-functional fixed adapters for quick, easy installation.
- Records all operation data & curves of breakers, displays test data and waveforms simultaneously. It supports 12 channels to measure opening/closing time, asynchronous period, bounce times, overtravel, rebound stroke, closing speed, maximum speed, average speed and coil parameters; extra travel sensors can be connected to calculate motion speed of other circuits.
- Compatible with all domestic & imported switches: SF6 switches, GIS combined electrical apparatus, vacuum switches and oil circuit breakers.
Technical Specifications
1. Time Measurement
- 12 channels for inherent opening & closing time
- Opening/closing pole asynchronous time
- Inter-pole asynchronous difference during opening & closing
- Closing & opening bounce time (bounce count)
- Asynchronous period range: 0.10ms ~ 99ms, resolution: 0.01ms
- Internal trigger test range: 0.10ms ~ 999ms, resolution: 0.01ms
- Range 1000ms ~ 9999ms: resolution 0.1s; 10000ms ~ 200000ms: resolution 1ms
- External trigger test range: 0.01ms ~ 200s
- Accuracy: ±0.05%FS ±0.1ms
2. Speed Measurement
- Opening & closing instantaneous speed
- Average speed within appointed time, stroke or angle interval
3. Measuring Range & Precision
- Linear transducer: 0.001 ~ 20.0 m/s, precision: ±0.1m/s
- 345° angle transducer: 0.01 ~ 25.0 m/s, precision: ±0.1m/s
4. Stroke Measurement
Selectable 3-channel stroke measurement for moving contact total stroke, contact stroke (opening distance), overtravel, rebound stroke
- Linear transducer: measuring range 0~50mm, resolution 0.1mm
- Rotary transducer (345°): range 0~1000mm, resolution 0.08°; 15° dead zone exists, valid working angle: 160~200°
- Acceleration transducer: range 0~300mm, resolution 0.1mm, accuracy: ±(1%FS+0.2)mm
5. Coil Current Measurement
Max current 30A; resolution 0.01A; accuracy ±5%
6. Coil Resistance Measurement
Range: 0 ~ 2000Ω; resolution 0.01Ω; accuracy ±5%
7. Instrument Input Power
AC220V ±10%, 50Hz ±10%
8. Control Power Output
Continuously adjustable DC 6V ~ 270V, peak current ≤20A
9. External Trigger Voltage
AC/DC 10~300V, current ≤120A
10. Operating Ambient Temperature
-20℃ ~ +50℃
11. Relative Humidity
≤90%
Applications of Circuit Breaker Analyzer
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Regular Maintenance & Inspection for Substations and Power Plants
It tests mechanical operating conditions of high-voltage circuit breakers routinely. By measuring opening/closing time, bounce, speed and stroke data, technicians can find hidden faults like mechanism jamming, spring fatigue and contact aging to avoid power outage failures.
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Factory Delivery Testing for Circuit Breaker Manufacturers
Carry out full performance inspection on vacuum, SF6, oil circuit breakers and GIS switchgears before shipment. Verify all mechanical parameters comply with GB and IEC standards to guarantee product quality for finished products delivery.
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Acceptance Test for New Power Engineering Projects
Used for on-site acceptance of newly installed high voltage switch equipment in EPC power projects. Complete all dynamic characteristic tests to confirm installation quality meets grid operation requirements. -
Third-Party Calibration & Testing Institutions
Professional labs adopt this tester to conduct authoritative detection, issue formal test reports for product certification, bidding inspection and equipment appraisal. -
Fault Diagnosis & Overhaul After Abnormal Operation
When breakers fail to switch normally, the equipment analyzes coil current, resistance and motion curves to quickly locate fault causes including coil damage, mechanical transmission defects.
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R&D Experiment of New High-Voltage Switch Products
Supports data recording and curve output for R&D teams to optimize breaker mechanical structure, operating spring parameters and overall design performance.
Packing List | Circuit Breaker Analyzer
| Item No. | Item Description | Quantity | Unit | Remarks |
|---|---|---|---|---|
| 1 | Main Unit of Circuit Breaker Analyzer | 1 | Set | Built-in industrial computer, 15-inch touch screen |
| 2 | Linear Displacement Transducer | 1 | Set | For stroke & speed measurement |
| 3 | Rotary Angle Transducer | 1 | Set | Angle & travel testing |
| 4 | Special Mounting Brackets & Fixing Adapters | 1 | Set | Universal installation accessories |
| 5 | High Voltage Test Connecting Cables | 1 | Set | Signal & coil current test wires |
| 6 | Power Cord | 1 | Piece | AC220V power supply line |
| 7 | External Trigger Cable | 1 | Piece | External triggering connection |
| 8 | English User Operation Manual | 1 | Copy | Detailed operation guide |
| 9 | Factory Calibration Certificate | 1 | Copy | For overseas project acceptance |
| 10 | Portable Shockproof Protective Case | 1 | Piece | Export transportation packaging |
FAQ – Circuit Breaker Analyzer
Q1: What is a circuit breaker analyzer used for?
A: It is professional test equipment to measure mechanical dynamic parameters of high voltage circuit breakers. It tests opening/closing time, bounce, speed, stroke, coil current and resistance, widely used for grid maintenance, factory delivery inspection and power project acceptance.
Q2: What types of circuit breakers can this device test?
A: It is compatible with all mainstream HV switches: vacuum breakers, SF6 breakers, oil circuit breakers, GIS combined switchgears both domestic and imported.
Q3: How many time measurement channels does the tester support?
A: It is equipped with 12 timing channels, which can test three-phase asynchronous time, bounce times and all sequence time parameters simultaneously.
Q4: Does the machine have built-in operating power supply for breaker coils?
A: Yes. Built-in adjustable DC power supply ranges from 6V to 270V with max 20A output. It can perform low-voltage closing and opening tests for breaker coils directly.
Q5: What operating system does the instrument adopt?
A: It runs Windows 10 with an industrial host, 15-inch touch screen, dual-core CPU and 4GB memory, supporting Chinese & English bilingual interface for global operators.
Q6: What sensors are equipped as standard?
A: Linear displacement sensor and rotary angle sensor are included by default. Acceleration sensor is available as an optional accessory.
Q7: Can test curves and data be saved and exported?
A: All test waveforms, curves and parameter data can be stored inside the device. You can export records via USB for quality archiving and report printing.
Q8: What is the working temperature range of this tester?
A: Operating ambient temperature: -20℃ ~ +50℃, applicable for harsh outdoor substation field inspection. Max relative humidity ≤ 90%.
Q9: What international standards does the instrument comply with?
A: Designed in accordance with GB1984-2014 and DL/T846.3-2017 power industry standards, meeting general global high voltage switch testing requirements.
Q10: Does each unit come with a calibration certificate?
A: Every device is delivered with official factory calibration certificate, which can be used for overseas power project inspection and acceptance.
Q11: Is external trigger function supported?
A: Yes. External trigger voltage covers AC/DC 10~300V, convenient for on-site synchronous triggering tests under complex working conditions.
Q12: Can I print test results on site?
A: Thermal printer is an optional accessory to print test reports directly at the testing site.
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