round double coils air conditional capacitor

round double coils air conditional capacitor System 1

round double coils air conditional capacitor

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Climatic category	Rate voltage	Testing voltage T-T	Testing voltage T-C	Capacitance tolerance	Dissipation factor
-25/+70/21 -40/+85/21	370/440VAC	1.75Un/5S (2Un/5S)	2000V.AC/5s	±5% (±10%)	≤0.002 (100Hz)

category

Rate voltage

Testing voltage

T-T

Testing voltage

T-C

Capacitance

tolerance

Dissipation

factor

-25/+70/21

-40/+85/21

370/440VAC

1.75Un/5S

(2Un/5S)

2000V.AC/5s

±5%

(±10%)

≤0.002

(100Hz)

Capacitance range:2MFD-100MFD,15+5MFD-80+7.5MFD

Dimension(mm):D: Φ40-Φ60,H:60-150

Reference standard:UL810,IEC252,EN60252,GB3667

Certification:UL Construction,UL 10,000AFC,TUV,VDE

Safety grade:P1,P2.

Q: Low voltage capacitor voltage 0.45 and 0.4 What is the difference between usage: Can be used in the low-voltage three-phase power lines on the line, but the level of different pressure, connected to the 400V line, 450V capacitor capacity is 79% of rated capacity, 400V capacitor capacity is rated capacity. In the use of life on the 450V longer than 400V

Q: Use capacitance to do transformer how to calculate: According to this feature, if we connect a resistive element in series with a 1uF capacitor, the voltage obtained at both ends of the resistive element and the power dissipation it generates depends entirely on the characteristics of the resistive element.

Q: Cd capacitance to express what: Mainly speaking, the winding process of the capacitor is a non-inductive winding structure (relative, there is a sense of winding structure), in fact, no sense of capacitance is not no inductance, but the inductance is very small, for high-frequency operation of the capacitor, We emphasize no sense. In fact, the inductance is small. From this point of view, almost all of the metal film capacitors are no sense

Q: Capacitance can pass high frequency resistance low frequency principle: The capacitor has a charge and discharge time problem. When the positive half of the AC, to the capacitor charging moment, the circuit is a current flow, the equivalent of the channel, once the capacitor is charged, the circuit will not flow through, the equivalent of open circuit.

Q: How to judge the capacitor is good or bad?: Multimeter selection R × 1k block. Both triodes have a beta value of 100 or more and a small penetration current. Can choose 3DG6 and other types of silicon transistors composed of composite pipe. The multimeter's red and black test leads are connected to the emitter e and collector c of the composite tube, respectively.

Q: How to identify high voltage capacitors is good or bad: There is a series in 220v AC power inside, see if the light bulb can be normal light. Determine if the capacitor has capacity. Whether the initial test is normal.

Q: What is the electrolytic capacitor inside?: Electrolytic capacitor features three: the price than other types have overwhelming advantages, because the composition of electrolytic capacitors are common industrial materials, such as aluminum and so on.

Q: Why does the circuit current gradually decrease when charging the capacitor?: For the ideal capacitor, when the capacitor is charged, as the voltage across the capacitor gradually increases, the charging current will gradually decrease until zero.

Q: Capacitance for AC and DC effects?: Potential has a concept of space, referring to the electric field to a Coulomb charge from A to B work 1 joules, A on the B potential is 1 volt. The concept of potential for the circuit, specify a point of the circuit for the 0 potential, the other points are based on the point of the voltage is the potential of the other points. Electromotive force used in batteries, generators, is the power to generate voltage.

Q: What is the capacitor, what is the use, where is there?: Capacitors are important devices in the power system to improve the power factor; in the electronic circuit is to obtain oscillation, filtering, phase shift, bypass, coupling and other major components of the role. Because the load used in the industry is mainly the motor inductive load, so the capacitor and the capacitive load to balance the power grid.

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