1 , energy efficient :Magnetic ballast operating frequency is 50HZ,Electronic ballasts operating frequency is 20 ~ 50KHZ, lamp luminous efficiency at high frequencies than the frequency increased by 10% , thus the electronic lighting ballasts than magnetic ballasts improve brightness ; another electronic ballast itself less power consumption, If at the same brightness , the use of electronic ballasts than magnetic ballasts saving about 20 to 30% ; which increase the indoor temperature magnetic ballasts work, summer does not need air conditioners, electricity included . Hospital general lighting accounts for about 70% , the use of high- performance electronic ballasts than magnetic ballasts annual savings of 2 to 3 months of electricity , can gradually recovering lighting costs , reduce property operating costs.
2 , comfort :Magnetic ballasts will produce flicker, working in this environment , learning visual fatigue . Easy to produce high-speed rotating object illusion , there are accidents. Meanwhile magnetic ballasts low-frequency noise emitted 50HZ , easy to make people irritable. ENT listening room when using fluorescent lighting , electronic ballasts should be used to prevent misdiagnosis ; ward , waiting hall in the use of fluorescent lamps , should not use ballast, the main consideration flicker and noise can cause the patient's discomfort. Use of electronic ballasts eliminate flicker, protect eyesight , marketing students Eye is equipped with electronic ballasts trichromatic lamp design and production . High-performance electronic ballasts no flicker , no noise , eye protecting the brain, and trichromatic lamp supporting the use of color is good , vivid colors ; high luminous efficiency ; light fades ; comfortable ; purification work, study and living environment ; improve work efficiency, enabling patient rehabilitation ; especially for the ward, examination rooms and other requirements for lighting high color spaces .
3 Security:Due to the large magnetic ballasts own power consumption, power consumption is converted into heat , the surface temperature rise, especially in the higher voltage fluctuations , temperature up to 120 ~ 130 ℃, become a fire hazard , when such incidents occur .
Magnetic ballasts to start work at more than +10 ℃ lower than -5 ℃ difficult start ; grid voltage below 180V difficult normal starter ; because it is not time to start , easy to damage the lamp cathodes start times and shorten lamp life.
Inductive ballast power factor is low , about 0.4 to 0.6 , resulting in a large increase of the reactive power and lighting circuits current transformer capacity , thereby greatly increasing the line and transformer losses , but also increased the power loss and reduce the quality of lighting , while a threat to run the grid. After installing the compensation capacitor, significantly increased the harmonic currents , resulting in interference and damage to the power grid and other network equipment . High-performance electronic ballast power factor ≥ 0.97, only reactive power loss of around 3% , saving more than 45% reactive ; small harmonic content , the input current waveform distortion on the grid almost no pollution ; and can reduce power Capacity of the device. Electronic ballasts adapt to a wide voltage range , at -10 ℃ ~ +50 ℃ can work environment , safety and high reliability .
High-performance electronic ballasts for lamps have a protective effect , the lamp switching frequency of up more than million times, no lamp black, except for the lamp to reach the nominal lifetime guarantee , but also to extend its life from 1.3 to 1.5 times.
4 , environmental protection:
Due to the use of mechanical
magnetic ballasts starter, will produce instantaneous high voltage pulse , home appliances and other electrical devices cause interference. Using magnetic ballasts , voltage is too high , too low will shorten lamp life, the lamp recycling of waste mercury leak will cause adverse bring secondary pollution.
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