LED's product that resides the domains such as ill

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figure 4 controls the output current of the [link widoczny dla zalogowanych] controller test circuit3, the capacitive load requirements of led control device, in addition to the output voltage or current according to classification, in terms of performance, also has two categories, oneis only a single drive with led function, the other is in addition to the function of a drive led, but also has a computer control signal receiving port and / or have control led color, flashing, alternating bright and dark features such as led.
general operating frequency of such power meter should not be less than 2.5khz. 6, line power factor to the relatively pure sine wave power, the power factor should be cohi; said, but the harmonic content of the larger places, with electrical powerfactor is a comprehensive reflection of all the harmonics. so,[link widoczny dla zalogowanych] to use λ said. the meaning of λ can be expressed in the following formula: λ = p / s = p / ui (1) of the definition of stylein the light of material control device publicizing chapter (gb19510.1/iec61347-1) of the " introduce the main definition of "article 5 has been derived before, the final will be basically obtained.
designers do not consider the possible environmental noise coupling came; 2.2, fiber optic communication links provide electrical isolation between the two sides, [link widoczny dla zalogowanych] eliminating long-distance potential between devices due to the different problems caused.