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The Sanfeng Digital Relay Protection Test Box is mainly designed with high efficiency and practicality. It adopts advanced technology and digital structured technology, and has the characteristics of simple structure, easy operation, beautiful appearance, convenient carrying, small volume, and convenient carrying. It is mainly suitable for various power, metallurgical, scientific research, and other industries in the power sector, mining, metallurgy, steel, and other industries Handheld relay protection test boxes for various labor instrument projects in universities and other departments.

It is a measurement theory established during the peak of electromagnetic waves in the power system, suitable for the power quality lines and applications of the new structure of the Australian River. This instrument has the advantages of small size, light weight, stable performance, convenient operation, fast response, intuitive digital display, and error values. After filtering from the primary and secondary closed measurement grid, the measured data will not be lost or change the measurement range of large current, so the data is accurate, the recovery time is short, accurate, and reliable.

The measurement of DC resistance of windings is one of the routine tests of transformers. Its main purpose is to check whether the connection or mechanical characteristics between windings, windings and leads are good, and whether the resistance between each phase winding is balanced, in order to ensure the safe operation of the transformer.

The series of transformer DC resistance testers developed and produced by our company use a 32-bit ARM core.

It is a fast test for measuring the DC resistance of transformers, transformers, generators, motors, and circuits.

With a high-speed microcontroller as the core, adopting high-speed A/D converter and programmable current source technology, the measurement effect and highly automated measurement function have been achieved, with high accuracy, wide measurement range, stable data, good repeatability, strong anti-interference ability, and complete protection functions. Features such as fast charging and discharging speed. This instrument. Small size, light weight, and easy to carry.

Introduction to the DC Resistance Tester System and Operation Methods: Introduction to the Composition Brand of the DC Resistance Tester 1. The DC resistance tester can be used for almost all ranges of transformers from high to low, but it is crucial for the maintenance and upkeep of multi-level power transformers. Therefore, with a certain understanding, the instrument should be more energy-saving and convenient. 2. If necessary, if the motor is damaged again, it can lead to inductance damage, transformer being in a closed state, or instantaneous damage. Transformers should be connected to third-party equipment for accident prevention in electric locomotives: voltage regulators, charger structure and installation requirements.

What are the differences in accuracy levels for conducting DC resistance testers on transformers? The capacity of the transformer is: 50kVA~50kVA; The ambient temperature should be maintained within the specified time.