phase control


Also found in: Acronyms.

phase control

[′fāz kən‚trōl]
(electronics)
A control that changes the phase angle at which the alternating-current line voltage fires a thyratron, ignitron, or other controllable gas tube. Also known as phase-shift control.
References in periodicals archive ?
By means of the phase control, the observed total harmonic distortion of the low voltage network was [THD.
Figure 15 illustrates that 0 -10 V and reverse phase control were most commonly reported for these 80 luminaires.
Wespack(TM) thyristors are suited to all phase control applications such as soft starts, industrial drives and controls, wind power converters, electrochemical power supplies, and welding.
The coarse phase control lines are low pass filtered with a cutoff frequency lower than the PLL loop bandwidth.
An example would be phase control applications for light dimmers.
For smooth and flicker-free dimming operation, additional loading current that meets the dimmer circuit thresholds for phase control action is necessary.
The team is also developing a phase control detector to complement their recently-created phase control emitter, which will create an entirely phase-controlled system, and enable researchers to manage every aspect of the system.
are operated with TRIAC-based phase control dimmers.
The THV features programming keys and a digital display on the front, responds quickly to input changes in fast response applications, and offers programmable phase control or zero-cross control.
It covers a frequency range of 2 to 18 GHz, is capable of a full 360[degrees] of phase control and 20 dB of amplitude control.
the global leader in circuit protection, today introduced a series of 40A standard high-temperature silicon-controlled rectifier (SCR) thyristors that are ideal for use as switches for rectifier and phase control applications such as voltage regulator, heating and motor speed controls.