Knowledge
Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers,……
According to a report released by the Global Wind Energy Council, Global wind Power’s new installed capacity……
Fans are mainly used in metallurgy, petrochemical, electric power, urban rail transit, textiles, ships and other……
Fans are mainly used in metallurgy, petrochemical, electric power, urban rail transit, textiles, ships and other……
A fan is a machine that relies on the mechanical energy of input to increase the gas pressure to send gas side……
Usually the human eye can perceive a flicker of light with a frequency of up to a Hz, which is not perceived……
1. Current voltage instability, power supply voltage rise is particularly easy to cause the destruction of LED lights,……
1, the purchase has “three packs ” Commitment of LED lights, the purchase of CCC certification mark lamps;……
Electronic ballast to improve the lighting system energy efficiency and quality has a clear advantage, is the……
1,Energy saving: Electronic ballast itself power loss is only about 40% of the inductor ballast, and fluorescent……
Compared with the traditional inductor ballast, the electronic ballast It has the following advantages 1. Energy Saving……
- The requirement of HID lamp to ballast and the choice of working circuit
HID lamp is a kind of high pressure discharge lamp, its discharge of the “volt” performance is negative resistance……
HID lamp is a kind of high pressure discharge lamp, its discharge of the “volt” performance is negative resistance……
1, maintain a constant output power: Keep the instantaneous output power of the lamp constant,……
1, to ensure the life of the lamp: traditional copper and iron ballast aging or deterioration, its provision…
There are still some problems in the actual use of electronic ballasts: 1, reliability is difficult to guarantee.……
Electronic ballast is a converter that converts frequency AC power supply into high frequency AC power……
When the switch closed circuit in the application of 220V 50HZ AC power, the current flows through the ballast,……
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