China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

[2013-05-24]

Electronic ballasts increase the mean lumen output of HID lamps. Recent field tests showed that a 400-W metal halide lamp operated with an electronic ballast produced 15 percent more light output after 8000 hours than the same lamp with magnetic ballast. More light output means that in new installations or major renovations, up to 15 percent fewer fixtures are required to deliver the same light levels that would be provided by a standard metal halide system. If your goal is to replace the ballasts without reducing the number of fixtures, then you can use a lower wattage lamp to get the same mean lumen output. Electronic ballasts are extremely efficient. In our tests, the Lumatek ballast “lost” very little power between the wall and the lamp. The Watts of electricity drawn at the wall for a Lumatek 600 Watt ballast is 634 Watts – meaning that just 34 Watts are lost between the wall and the lamp. On our magnetic ballast tests, much more power was being consumed (especially with the older ballast) and the electricity bills associated with using these units would have been considerably higher than the equivalent electronic unit. Typically, a brand new magnetic ballast supplying the exact same 600 Watts to the lamp would “lose” between 50-60 Watts between the wall and lamp in the form of heat, noise and vibration. This amount of ”lost” power increases as the magnetic ballast ages....

[2013-05-24]

Electronic ballasts for HID lamps consume about 60 percent less power than their magnetic equivalents—a typical electronic ballast for a 400-W lamp uses 15 to 30 W, compared with 50 to 60 W for a magnetic ballast. Light output. Metal halide lamps are notorious for the color variability of their light output, but lamps operated by electronic metal halide ballasts provide more stable output than lamps operated by magnetic ballast. That’s because the electronic ballasts reduce the variability of the voltage supplied to the lamp. The light output of lamps driven by electronic ballasts also degrades more slowly over time, resulting in greater light output at the mean and end of the lamp’s life (see Figure 1). This in turn enables systems with electronic ballasts to use fewer fixtures, or lower-wattage lamps, to provide the same output as systems with magnetic ballasts. An electronic metal halide ballast for igniting a discharge arc in a discharge tube of a metal halide lamp. The ballast includes ballast circuitry for periodically applying a voltage pulse having an amplitude of approximately 2-3 kilovolts to the discharge tube until ignition of the discharge arc is achieved. Each voltage pulse consists of a voltage pulse train having a frequency exceeding the acoustic resonance range of the discharge tube, preferably in a range of 2.5-3.0 megaHertz. A hot restart protection circuit of the ballast circuitry provides that the time period between voltage pulses is sufficient to permit cooling of the discharge tube during a time interval spanning application of a plurality of voltage pulses....

[2013-05-23]

220V voltage HID ballasts. 400W sodium lamp operating voltage of about 100V, current is approximately 3.4A, if not through the power factor correction, power supply current is about 4 amps. After correction capacitor, the current can be reduced to about 2A,but only for reference....

[2013-05-22]

Fluorescent electronic ballasts and fluorescent tube matched, in order to ensure the normal fluorescent lighting, and to achieve the performance indicators, electronic ballasts should coincide GB GB15143 and GB / T 15144 requirements. 1 rated supply voltage and the voltage transformation range. Ballast housing or on the AC input terminals, it shall be clearly marked to the parameter. If the indicated voltage range is very wide (eg 100 ~ 250V), when we should use prudent. As can start ballast 100V for power frequency voltage rating or higher (240V) field seasonal, series resonant voltage across the capacitor is very high in particular, not only affect the lamp, and could be damaged other components. 2 Rated output power or with electronic ballast lamp power matching, model and brought the number of lamps. Lamp power should be matched with the electronic ballast, ballast and some known as "can be connected with 16 ~ 40W fluorescent lamp," should not be optional. Since carrying ballast optimum power is in the affirmative, it is impossible to adapt to such a wide range, this ballast is impossible to satisfy the performance indicators fluorescent. 3 line power factor λ. Despite the lower limit is not set national standards, but in the rated supply voltage, rated frequency, with fluorescent line power factor after matching with λ ≥ 0.90 as well. 4. Supply current harmonic content flag "L" or "H". Electronic ballast and fluorescent lamp at rated voltage, to achieve stable work position, with the "L" and "H" logo electronic ballast supply current harmonic content does not exceed the national standard GB / T 15144 and GB T 17263 provisions, such as shown in the table.Only capacitor filter, supply current harmonic content will not achieve "H" level and "L" class level. Extensive use of electronic ballast spaces, harmonic content must meet the "L" or "H" grade level, otherwise it will affect the safe operation of power grid. 5 lamp warm-up time. Not less than 0.4 seconds. 6 lamp current crest factor (peak lamp current rms value ratio). Not more than 1.7...

[2013-05-21]

The HID electronic ballasts includes a low pass filter circuit, a rectifying circuit, the power factor correction circuit, the sine of the integrating circuit, the power factor correction circuit uses the PWM pulse width modulator chip, the gate drive circuit using the drive transformer-driving output amplifying circuit employs a push-pull outputThe multi-stage voltage doubler rectifier circuit, the output of the constant-current protection circuit. The power factor correction circuit uses the PWM pulse width modulation chip, cheap, forward circuit, the output can work at low voltage, multi-level voltage doubler rectifier circuit, very easy to make the output voltage of 5000 volts or more, the push-pull output MOS transistors to work at low voltage, the choice of a low voltage of the MOS transistor, the gate drive circuit driven drive transformer, the main transformer into the shallow saturated zone, transformer temperature rise is small. Therefore, the same output power, the components carrying power, low cost, long life characteristics....

[2013-05-21]

High-pressure sodium lamp electronic ballast, which comprises a full bridge rectifier circuit, the the passive correction circuit, a half-bridge inverter circuit, the trigger circuit, anti-sound frequency resonance circuit and a feedback circuit; the said passive correction circuit for a bi-directional self-contained complementarity circuit; triggercircuit pulse transformer L4 diode D10 in series of anti-audio resonant circuit and the output of the half-bridge inverter circuit coil connection. Wherein said high-pressure sodium lamps are connected on both ends of the anti-sound frequency resonance circuit. A feedback circuit constituted by the inductor L5 and the capacitor C4 connected in series, one end connected to the input terminal of the full bridge rectifier circuit and the half-bridge inverter circuit of the output coil. The advantages and positive effects electronic ballasts as follows: good stability, reliable performance; simple circuit structure, long service life; improve the power factor to 0.98; small start-up current and operating current....

[2013-05-20]

The electronic ballast is essentially a DC - AC inverter save power at work to the maximum extent possible, the saving rate of 20 percent. In addition, his features compared to general inductor ballast reactive compensation to improve the efficiency of power supply, in addition to not damage the eyes, it is suitable for a long time sitting in the working population in the light. Not work properly when the ignition of the lamp circuit to automatically turn off the lamp circuit, which can play the role of a preventive measure. In terms of voltage, the electronic ballast can effectively control voltage when the voltage is unstable when the city lights, electronic ballasts quickly to stabilize the lamp current, power, control lamp burned phenomenon appears....

[2013-05-20]

Magnetic ballast is made of the core, coil, heavier, reliable quality, stable performance, but the start-up time required 1 - 3 seconds, flashes. Ballast power consumption, approximately 8W 40W power consumption. Electronic ballast transistor and diode resistance and capacitance, faster start, flicker-General, itself small power consumption, but more due to electronic parts, so less reliable, durable. Electronic ballasts generally do not have a starter, magnetic ballasts generally have a starter. Stable magnetic ballasts, power factor 0.37. Good electronic ballast can hit 0.98-0.99 life inductor should take longer than the electron, but inductance bulky. The above mentioned are 220V 50Hz ballasts....

[2013-05-19]

Electronic ballasts diodes, transistors, resistors, capacitors, inductors, small size, light weight, saving copper and iron metal material. The Magnetic ballast is composed of silicon steel, enameled bulky weight, simple structure, in the core at about a coil. Enameled wire is copper wire. Old-fashioned fluorescent lamps at work, 220 VAC into the ballast - filament - the jump bubble - filament - go back to the 220​​-volt power supply circuit, the filament heating power heating lamp inside the mercury vapor for about 2 seconds, at the same time heat about 2 seconds after the jump bubble is powered internal contact is opened when the circuit instantly disconnected. Since the ballast inductance coil will induce a high voltage mercury vapor lamp inside breakdown conduction, generating ultraviolet radiation in the inner wall of the lamp above the phosphor coating to emit visible light when a sudden power failure. Lamp light, the voltage between the two lamp pins sharp decline to about 60-100 volts, the current sharp rise in ballast began to play the role of ballast, the core ballast above 140-160 volt voltage drop, limit the lamp current to rise, making it stable at 0.45 amps (40 watt lamp). Light feet above two small metal column is the terminal of the filament are interlinked. Lamp light, the current path is: 220 volts - ballast - lamp foot - inside the tube mercury vapor - light feet of 2 - 220 volt power supply circuit....

[2013-05-12]

Green plants fill light illumination system of new technologies, the development of 600W electronic hps ballast and applications, and discusses the plants fill light lighting the importance and implementation of modern agricultural production, discusses the use of electronic ballasts as agricultural greenhouse plants fill light lighting appliances,in order to achieve the purpose of energy-saving, environmental protection and green lighting....