HID Xenon gas lamp must operate under constant power supplying. Normally it is realized with power error detecting loop.
HID氙气灯必须工作在恒定功率条件下，通常采用功率误差检测环路来实现。
To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
为了保持工作中的稳定平均输出功率和恒定消光比，采用了温度补偿电路和自动功率控制电路。
The closed loop control of instantaneous reactive power is used to realize the constant power factor and suppresses the reactive power impact.
系统通过瞬时无功功率闭环，实现了功率因数的恒定控制和无功功率的无静差调节。
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