The X2 safety capacitor
can be used in parallel, please not only can be used in parallel, the X2 safety capacitor series can also be used.
But different connection, its function is distinguishing.
After two X2 capacitance in parallel capacity: the effect of the change in series to half, while parallel to two times, in addition to pay attention to the capacitance and resistance characteristic is opposite.
In fact, as long as the understanding to the effect of need circuit capacitor, how much capacity, compression, whether multiple capacitors in parallel or in series to use are no problem, the key is required by the coincidence circuit.
The x2 safety capacitor testing details in certain cases, the x2 safety capacitor detection is necessary.
Is, after all, for this kind of capacitor has a certain security products, also can ensure safety performance after the failure, so it is critical for testing and related test.
So at the time of testing which details need to be?
Common x2 safety capacitance testing mainly includes the following several: voltage withstand test -
Withstand voltage test on the product side and ground power supply circuit, to impose a state of high voltage and measuring its collapse.
The essence of withstand voltage test is on electrical products tested this applying for a period of time no connection between the two parts of the same frequency of high pressure, to test whether the insulation breakdown.
Ground fault protection testing -
Testing can contact whether there is indeed grounding in areas such as the metal body.
To test, can detect the ground screw does not tighten, ground wire diameter is too small, grounding line open circuit and other issues.
Insulation resistance test -- -
For nondestructive testing insulation resistance testing, and can detect whether the insulation is good, in some specifications, insulation resistance tests first and electric pressure test, and insulation impedance test cannot pass, and tend to withstand voltage test could pass.
Leakage current test -
Measurement must be used when the human body the MD simulation circuitry, parallel voltmeter, the MD in accordance with the different product safety standards have different lines of human body simulation, and the input voltage test voltage for the most unfavorable, general for rated voltage upper limit for the test voltage.
The x2 safety capacitor testing mainly includes the details of that's all.
Tested according to these details are correct, it is high quality, safety capacitance can be at ease use, to ensure the safety of use.
Reducing because using inferior safety capacity and cause many problems in the process of use.
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