电力电子技术
電力電子技術
전력전자기술
POWER ELECTRONICS
2010年
4期
63-65
,共3页
镇流器%高压气体放电%恒功率%模数混合控制
鎮流器%高壓氣體放電%恆功率%模數混閤控製
진류기%고압기체방전%항공솔%모수혼합공제
ballast%high intensity discharge%constant power%digital and analog hybrid control
根据高压气体放电灯的特性,研制了一种高性能模数混合控制的高压气体放电(HID)灯恒功率电子镇流器,分析了电路的结构、原理和控制思想.该镇流器采用"功率因数校正+Buck+逆变器"的经典3级结构,具有输入电压范围宽、抗负载波动能力强、可靠性高、寿命长等优点.PFC部分采用临界连续电流控制模式,可实现单位功率因数和恒定的输出电压.Buck降压部分采用一种新颖的平均电流外环、峰值电流内环的双闭环控制策略,可获得宽大范围的恒功率特性.逆变电路以ATtiny13V为控制核心,提供低频逆变、高压谐振点火、开路和短路保护等功能.
根據高壓氣體放電燈的特性,研製瞭一種高性能模數混閤控製的高壓氣體放電(HID)燈恆功率電子鎮流器,分析瞭電路的結構、原理和控製思想.該鎮流器採用"功率因數校正+Buck+逆變器"的經典3級結構,具有輸入電壓範圍寬、抗負載波動能力彊、可靠性高、壽命長等優點.PFC部分採用臨界連續電流控製模式,可實現單位功率因數和恆定的輸齣電壓.Buck降壓部分採用一種新穎的平均電流外環、峰值電流內環的雙閉環控製策略,可穫得寬大範圍的恆功率特性.逆變電路以ATtiny13V為控製覈心,提供低頻逆變、高壓諧振點火、開路和短路保護等功能.
근거고압기체방전등적특성,연제료일충고성능모수혼합공제적고압기체방전(HID)등항공솔전자진류기,분석료전로적결구、원리화공제사상.해진류기채용"공솔인수교정+Buck+역변기"적경전3급결구,구유수입전압범위관、항부재파동능력강、가고성고、수명장등우점.PFC부분채용림계련속전류공제모식,가실현단위공솔인수화항정적수출전압.Buck강압부분채용일충신영적평균전류외배、봉치전류내배적쌍폐배공제책략,가획득관대범위적항공솔특성.역변전로이ATtiny13V위공제핵심,제공저빈역변、고압해진점화、개로화단로보호등공능.
According to the characteristic of high intensity discharge (HID) Iamp,a high performance HID constant power electronic ballast based on digital and analog hybrid control is developed, the circurt structure,theory and control method are analyzed.The electronic ballast adopts the "PFC+Buck+Inverter" conventional three stage structure,which has the char-acteristics of wide input voltage,strong ability fresisting the load fluctuation,high reliability and long life.The PFC part adopts the critical continious current control mode to realize unit power factor and constant output voltage.The Buck circuit adopts double closed-loop control policy of average current external ring,and peak current internal ring,could obtain extensiveness constant power characteristic,inverter circuit uses ATiny13 V as control core,and supplies low frequency inversion, high voltage resonance point igniting, open circuit and short-circuit protections, etc.