镇流器

A series of problems in the latest developments of electronic bal

本文通过对一种380V高电压输入600W高频电子镇流器以及一种新型的低频方波电子镇流器的开发研究对高强度气体放电灯电子镇流器中的一系列问题展开了详细的讨论。

The differences of major frequency-domain characteristics and the interior relationships between electrode and electrodeless lamps are compared.

有电极荧光灯电子镇流器的分析和设计是基于镇流器谐振环的频域基波近似分析，从中得到谐振环的谐振频率公式、阻抗角公式、输出电压和电流公式。

The circuit model of inductance-coupled double-ring electrodeless lamp is researched and its equivalent simplified circuit is analyzed,based on which the frequency-domain characteristics and design of its resonant ring are discussed in detail.

0引言无极灯具有高光效、高显色性、无频闪和长寿命的优良特性，是一种具有良好发展前景的新型气体放电光源[1-6]。在无极灯电子镇流器照明系统中，电子镇流器的分析和设计至关重要。

The circuit on which the ballast is tested is to be protected by Class H non-renewable fuses at ten times the input current rating of the ballast or the next higher ampere fuse rating but in no case less than 20 amperes.

被测试的镇流器的电路由H级的不可再生的保险丝(是镇流器的额定电压的十倍)保护着的或者是更高安培的熔丝额定值，但是决不能少于20安培。

With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

The Domistic Ballast and the Life of Compact Fluorescent Lamps;2. With the technical development of active power factor correction, some circuits in the ballast s and its operation are introduced, which have been used in high pressure sodium lamp.

针对荧光灯电子镇流器和高压钠灯电子镇流器中功率因数校正技术的发展，总结了典型的有源功率因数校正应用电路，分析了电路的基本工作原理，并在高压钠灯镇流器中得到了应用。

Ballasts and Capacitors 21 镇流器和电容器 21.1 A ballast and starter or ignitor, when provided, shall be rated for the operation of the type and size of lamps involved and shall be electrically connected in accordance with the diagram or instructions on or with the ballast.

21.1镇流器和启动器或启辉器，应该相关类型和大小的灯泡相配，并且连线方式和镇流器上面的表或着说明书一致。

For fixture models that may use different ballasts either in terms of the type of ballast or manufacturer

对使用不同镇流器的产品（不同的镇流器类型或制造商），每款灯具或镇流器都必须经过测试，测试结果须提交作认证之用。

Mark ballasts "Class P" indicating approved integral ballast protection. This ballast protection is provided by a built-in self-resetting thermally actuated device that will remove the ballast from line when excessive ballast temperature is reached. See 1.07.F regarding nuisance tripping test data.

镇流器上有经过核准的&Class P&保护标志，镇流器保护是一套热激发自动启动装置，当镇流器的工作温度超过额定温度时可以将镇流器从供电回路中切断，请阅读1.07过载试验数据。

This paper has introduced that structure of inductance ballast of the gas discharge lamp and structure and performance of electronic ballast, has given some examples for applying the electronic ballast and has compared parameter change and light efficiency of inductance ballast with which of electronic ballast when voltage of electric power net changes.

介绍了气体放电灯电感式镇流器和电子式镇流器的结构特点、性能特点及电子镇流器的应用举例，并对两种镇流器电网电压变化时的参数变化、发光效率等进行了对比分析。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。