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Device for dynamic braking of an asynchronous single-phase capacitor motor

The paper describes a simple device for starting and braking of the asynchronous single-phase capacitor motor with cage rotor, wherein the auxiliary winding connected in parallel with the main capacitor through the working. The proposed technical solution is designed for single-phase motors the dynamic braking, having main and auxiliary… Continue Reading

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Installation and repair of pulse adapter CP-PWR-CUBE-3

The article describes a device and repair of pulse adapter CP–PWR–CUBE-3 model, IP-phone CP-7912G–A, made a separate unit and intended to supply the voltage +48 The Cisco IP phone models 7900 (7911, 7912). The appearance of the pulse adapter is shown in Figure 1, его производитель CiscoContinue Reading

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Meter capacitors

Schemes of devices for measuring the capacitance of the capacitors, there are many. They are made on the basis of very different components, different degrees of difficulty, availability of parts used and the measurement accuracy. It is from the perspective of the construction of a simple device for measuring the capacitance of the capacitors on the most popular now… Continue Reading