The transformer comprehensive test bench is a specialized equipment used for electrical performance testing of power transformers. It integrates test wiring display, data acquisition, analysis and processing, measurement control, storage and printing, and protection functions. It can efficiently and accurately complete multiple core parameter tests and is widely used in the fields of power equipment manufacturing, testing, and substations. The transformer comprehensive test bench, as the core tool for power equipment testing, has typical application scenarios covering multiple stages of the entire life cycle of power equipment, from research and development and manufacturing to operation and maintenance, and then to retirement evaluation, as follows:
1. Manufacturing process of power equipment
① Factory type test:
a. Purpose: To verify whether the newly produced transformer complies with national standards (such as GB/T 1094 series) and design requirements.
b. Test content: including multiple electrical parameter tests such as no-load loss, load loss, transformation ratio, DC resistance, and insulation resistance.
c. Application scenario: Sampling or full inspection after mass production by transformer manufacturers.
② Performance verification during the R&D phase:
a. Purpose: To optimize transformer design parameters (such as iron core material, winding structure).
b. Test content: Partial discharge detection, temperature rise test, etc.
c. Application scenario: The research and development process of new transformers, such as amorphous alloy iron cores and dry-type transformers.
③ Quality control in the production process:
a. Purpose: To detect defects in raw materials or processes (such as poor welding of windings, moisture in insulation paper).
b. Test content: DC resistance test, insulation resistance test, etc.
c. Application scenario: Sampling inspection after key processes such as coil winding and insulation treatment.
2. Power operation and maintenance process
① Substation/power plant network access testing:
a. Purpose: To ensure that newly commissioned transformers meet the requirements for safe operation of the power grid.
b. Test content: All routine test items (no-load, load, transformation ratio, insulation, etc.), as well as special tests (such as short-circuit withstand capacity test).
c. Application scenario: Acceptance of new substation equipment and replacement of transformers in expansion projects.
② Preventive testing (regular maintenance):
a. Purpose: To detect potential faults in advance and avoid unplanned shutdowns.
b. Test content: Insulation resistance/dielectric loss test, oil chromatography analysis, etc.
c. Application scenario: Routine inspection of transformers every 1-3 years during operation.
③ Fault diagnosis and verification after repair:
a. Purpose: To identify the cause of the malfunction and confirm the effectiveness of the repair.
b. Test content: DC resistance test, partial discharge detection, etc.
c. Application scenarios: Maintenance after transformer tripping, retesting after insulation oil treatment.
④ Acceptance after major overhaul/technical renovation:
a. Purpose: To verify whether the renovation or maintenance has achieved the expected results.
b. Test content: load test, withstand voltage test, etc.
c. Application scenarios: major maintenance projects such as winding replacement and cooling system upgrade.
3. Special application scenarios
① Mobile on-site inspection:
a. Purpose: To complete testing on site without laboratory conditions.
b. Test content: The portable test bench supports core projects such as no-load, load, and DC resistance.
c. Application scenarios: On site inspection of remote substations and wind/photovoltaic booster stations.
② Emergency repair and post disaster assessment:
a. Purpose: To quickly assess whether the damaged transformer can be repaired or needs to be replaced.
b. Test content: insulation resistance test, transformation ratio test, etc.
c. Application scenario: Equipment repair after natural disasters such as floods and earthquakes.
③ Assessment of residual value of retired equipment:
a. Purpose: To provide data support for second-hand transformer trading or scrapping decisions.
b. Test content: load loss test, insulation status detection, etc.
c. Application scenarios: Asset disposal of power companies, return detection of leased equipment.
4. Industry Expansion Applications
① In the field of rail transit:
a. Scenario: Detection of traction transformers for subways and high-speed trains.
b. Special requirements: Anti harmonic capability testing, verification of temperature rise characteristics with frequent start stop.
② In the field of new energy:
a. Scenario: Detection of wind/photovoltaic box type transformers.
b. Special requirements: Wide voltage range adaptability testing, anti salt spray/anti-corrosion design.
③ Research and Teaching:
a. Scenario: Experimental study of electrical engineering major in universities and research on transformer fault simulation.
b. Special requirements: Open interface support for custom testing processes, real-time data collection and analysis software support.
ZC-200 transformer comprehensive test bench is mainly used to test the no-load and load characteristics of power transformers and distribution transformers, and can also perform frequency doubling induction and power frequency withstand voltage tests on the tested transformers. The measuring part of the device is controlled by a high-end microcontroller, and the digital display, no-load, short circuit and other test data are synchronously sampled by the microcontroller, avoiding the errors caused by manual calculation of voltage, ammeter and power meter readings in traditional testing methods. This equipment is suitable for factory and routine testing of three-phase transformers with a capacity of 5000kVA/36.2-13.2KV and below in the production and maintenance departments of power transformers.
Kvtester Electronics Technology Co.,Ltd. is a high-tech enterprise specializing in power testing, testing, research and development, production, and sales of testing equipment. It has been engaged in the electrical testing industry for many years, and its products are of high quality. We welcome customers to come and purchase. Service hotline: 0086-27-81778799, to learn more, visit the official website: www.kvtester.com
