青岛四方泰合电气设备 Manuals

DL-800A DC large current generator manual. The product has the characteristics of large output power, small additional loss, strong overload capacity, easy operation, clear reading, and flexible movement. It is suitable for power system technicians to test DC current transducers, DC auxiliary magnetics of reactors, protection devices and secondary circuit current tests.

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SFD-9 type high voltage circuit breaker simulation device is mainly used for the whole group test of relay protection device and in the backup power self-throwing device test and other projects to replace the real high voltage circuit breaker. This simulation device uses a single chip microcomputer as the control core to realize the simulation of high voltage circuit breaker jump, closing time setting, input signal logic control and other functions, so as to simulate the jump, closing action of high voltage circuit breaker, and provide a set of completely isolated DC voltage output. The device is simple and reliable to operate.

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This document introduces the usage instructions, applicable scope, main functions, and technical specifications of the SF-3R thermal relay tester produced by Qingdao Sifang Taihe Electric Equipment Co., Ltd. The tester can be used for calibration and verification of various thermal relays and motor protection devices, and is widely used in electrical testing sites of power systems, railways, petrochemicals, metallurgy, and mining enterprises.

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SF-101 type relay protection test instrument is a relay protection test box weighing only 10 kg. It adopts double carbon brush voltage regulator, large knob to adjust heavy load AC and DC voltage and current, small knob to adjust light load AC and DC voltage and current, and can output two paths at the same time. It adopts 0.5 level digital meter, high precision sensor, accurate measurement, and six digit display stopwatch to meet the need of time measurement.

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This manual introduces the DL-2000A large current generator's product features, usage methods, precautions and other content.

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The SFD-8 analog switch circuit breaker is an improved device used for the whole group test of power system power-off protection devices or complete relay protection screens. It can simulate the opening and closing time of the circuit breaker, avoiding adverse effects on the circuit breaker due to repeated tests.

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The SG-101 AC power line parameter tester is a specialized instrument for testing AC power line parameters, featuring superior performance, powerful functions, and simple operation.

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