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How to choose a voltage stabilizer

1. The function of the voltage stabilizer: 1. It can stabilize the voltage of low voltage 125V-165V or high voltage 250V-270V between 200-230V, so that household appliances can work normally;2. When the input voltage is higher than 255-275V or lowe...
Common faults and solutions of voltage regulators

1. Motor does not start and no humming sound after power up① Cause of failure: fuse blownRemedy: replace the fuse as required② Cause of failure: loose wiring, poor contact of the plugRemedy: Check the line, connect the loose part, and plug in the...
Regulator FAQ

Failure Analysis and Elimination of Harmonic Filtering Device·The input stage number of the product controller index is less than the actual input stage number of the capacitor. Check whether the fast fuse and the capacitor are faulty. The indicat...
Power matching principle of power supply and load

In reality, load equipment can be divided into three categories: pure resistance load, curve load (inductive or capacitive), and nonlinear load. The output power of power products in the power supply industry is generally measured by purely resisti...
UPS configuration and matters needing attention

1. The optimal load rate of the backup UPS is 40-60%. When there is no load or more than 80% load, the output third harmonic component of the UPS is relatively large, which is not conducive to the normal operation of loads such as computers. In pri...

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