High-quality electronic ballasts should have low temperature, long life and high stability. The key components that determine this characteristic are triodes, electrolytic capacitors, and magnetic materials.

Switching triode, the most expensive part of an electronic ballast. Alternating oscillation and Qihui are all completed by it. It is these two parts that are the easiest and most often bad. The main problem of energy-saving lamps or electronic ballasts for longevity or short-lived is here. Because it requires high temperature and high voltage resistance and the working point is the midpoint, overcurrent, overvoltage, overheating, common state, and interference will burn it, especially delicate, so even if the best and most expensive parts are used, if design When you can't take all the unforeseen circumstances into consideration, it will burn out. In fact, it is not possible to expect it, so there are no energy-saving lamps that will not be bad. There are generally two opinions on the solution:

1. Add various expensive protection circuits to protect it. This is the main reason why high-end energy-saving lamps are expensive to sell. But if the cost is high, it will not be bad? Therefore, most manufacturers do not use this method.

2. Remove the protection circuit that is not needed, and try to reduce the cost and price. It is also bad.

Most energy-saving lamp manufacturers and electronic ballast manufacturers have adopted the second approach, especially for low-priced products. They have omitted almost all of the protection circuits and used inexpensive triodes to keep costs to a minimum to achieve absolute price competitiveness.

Because these cheap energy-saving lamps do not have protection circuits, in actual use, unpredictable situations have arisen: some energy-saving lamps have bad luck, and only a few days are broken, and some are available for almost one year. More often than not, the warranty period (usually one or two months) is broken. Let consumers complain. Unexplained consumers still think that some brands have good quality, and some brands are not good. In fact, the quality is almost the same.

In fact, many parts of electronic ballasts are likely to be damaged. As long as they are not saved, they will not be saved. According to the requirements, the value of the energy-saving lamps and electronic ballasts can achieve longevity. Green lighting.

Germany's Manjiamei energy-saving lamps officially entered the Chinese market
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Beijing Xingguang: Responsible for the installation of energy-saving lamps in Olympic venues
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Philips completes the global layout of the LED lighting market
Jiamei Lighting: Expanding market share in Chongqing
Ou Dier Lighting: Shandong quickly paved the market to grab the market



1

600V DC Electronic Load

600v DC Electronic Load can be switched quickly between different values in the same operating mode, including CC dynamic mode, CV dynamic mode, CR dynamic mode and CP dynamic mode, CC/CR high speed dynamic mode up to 50kHz. This function is suitable for transient test of power supply, test of battery protection characteristic and battery pulse charging etc. Dynamic mode test has continuous mode, pulse mode and toggle mode.

Additionally , programmable DC electronic load can also have 200V DC Electronic Load and 1200V DC Electronic Load for more options.

kindly check below features for your reference:


● Flippable front panel and color touch screen allow convenient access and operation
● Provides four kinds of basic working mode such as CV/CC/CR/CP, and CV+CC/CV+CR/CR+CC complex operating modes
● Adjustable current slew rate, adjustable CV loop speed
● Ultra high precision voltage & current measurement
● OCP/OPP testing function
● 50kHz high-speed CC/CR dynamic mode
● 500kHz high-speed voltage and current sampling rate
● Timing & discharging measurement for batteries
● Short circuit test mode
● Auto mode function provides an easy way to do complicated test
● Dynamic frequency sweep function for determining worst case voltage peaks*
● Non linear load mode function makes the simulated loading current more realistic*
● Supports external analog control function*
● V-monitor/I-monitor
● LED load simulation function
● Full protection: OCP, OPP, OTP, over voltage and reverse alarm
● Up to 20 units master/slave parallel control
● Front panel USB interface supports data import and export
● SCPI language and standard rack size make it ideal for ATE System integration
● Smart fan control with lower noise and better for environment
● Multi versions to meet the cost performance and different applications
* Only professional Electronic Load units support these functions


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APM Technologies Ltd , https://www.apmpowersupply.com