The application scenarios of the "KDZR-ZH" distribution transformer direct resistance ratio comprehensive tester mainly focus on the maintenance, repair, and troubleshooting of the power system. Specific application scenarios include but are not limited to the following aspects:
Regular inspection of distribution transformers: For operating distribution transformers, regular DC resistance and transformation ratio tests can help detect equipment aging and operational status, ensuring their normal operation.
Acceptance testing after new installation or maintenance: After the installation or maintenance of a new distribution transformer is completed, the use of this tester can verify whether the equipment is correctly installed and whether the maintenance is effective, ensuring that the equipment can be safely connected to the power grid for operation.
Troubleshooting: When a distribution transformer malfunctions, direct current resistance and transformation ratio tests can quickly locate the problem, such as winding short circuits, open circuits, etc., to guide the repair work.
Expansion or renovation of power system: When expanding or renovating the power system, it is necessary to test the newly added distribution transformers to ensure that they meet the system requirements and can seamlessly integrate with the existing system.
On site portable testing requirements: Due to the use of large capacity lithium batteries for power supply, this tester is particularly suitable for on-site environments without stable external power supply, such as remote distribution stations or outdoor temporary electrical facilities for testing.
Application scenario example:
Power equipment testing: used to measure the dielectric loss value of transformer oil paper insulation system and evaluate the degree of insulation aging.
Factory test: Verify whether the insulation performance of transformer bushing, winding and other components meets the standards (such as IEC 60422).
Preventive maintenance: Predict potential insulation failure risks by regularly measuring tan δ values.
The DC resistance of a transformer is a test item for semi-finished and finished products in transformer manufacturing, and it is also a mandatory test item for transformer installation, major overhauls, changing tap connections, handover tests, and preventive tests.
The instrument is mainly used to measure the transition waveform, transition time, instantaneous transition resistance value, three-phase synchronization of transformer on-load tap-changer.
It is suitable for three-phase simultaneous measurement of large capacity star-connected transformer, saving time and improving maintenance efficiency.
The products are mainly used in transformer ratio group test, PT, CT ratio polarity test, the test speed is fast, high accuracy.
Dc resistance of transformer is a must-test item of semi-finished product, finished product factory test, installation, handover test and preventive test of power department in transformer manufacturing, which can effectively find manufacturing defects such as material selection, welding, loose connection parts, missing strands, broken wires and other hidden dangers after operation.
Suitable for 66KV and above voltage grade power transformers, and other special purpose transformers.
It is not only suitable for the measurement of inductive test products such as transformers, transformers and reactors, but also suitable for the measurement of resistive test products such as copper bars, wires and switch contacts.
The instrument is mainly used to measure the transition waveform, transition time, instantaneous transition resistance and three-phase synchronization of transformer on-load tap-changer.
The instrument is mainly used to measure the transition waveform, transition time, instantaneous transition resistance and three-phase synchronization of transformer on-load tap-changer.
The instrument is mainly used to measure the transition waveform, transition time, instantaneous transition resistance and three-phase synchronization of transformer on-load tap-changer.
REKE-ZB Transformer Low voltage short circuit impedance tester is an instrument for measuring low voltage short circuit impedance of main transformers of 35KV class and above under field and laboratory conditions.
KDZD transformer grounding current tester is a special testing equipment for measuring the grounding current of transformer core, which is suitable for testing the leakage current of the iron core and clamp of electrical equipment such as transformer and reactor in substations and power plants.
Can effectively detect manufacturing defects such as material selection, welding, loose connection parts, missing strands, and broken wires of transformer coils, as well as hidden dangers after operation
