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US 8,274,231 B2Granted
Current regulator drive circuit shunting current by voltage-dividing load
OwnerTai-Her Yanginventor
Life of this patent
Estimating the term…
Abstract
The present invention is through the power control unit, which is connected with the voltage-dividing load in parallel, to perform shunt regulation for the current passing through the voltage-dividing load, the shunt regulation means of the power control unit is that the power control unit increases or decreases the current passing through the voltage-dividing load.
Claims44
A current regulator drive circuit shunting current by voltage-dividing load, wherein a main load and a voltage-dividing load connect in series;
- and a power control unit, which is served to perform regular shunt or manual control, control through inputting external signals, or feedback control through detected signals detected by a voltage detector and/or a current detector to the voltage-dividing load, connects in parallel with the voltage-dividing load for performing shunt regulation, the main components including:
- current equalizing impedance (100):
- related to a current equalizing impedance (100) connected with the main load (101) in series, which is constituted by the inductor or coil with inductive impedance, or constituted by the impedance connecting the capacitor and the inductor or coil in parallel for being in parallel resonance with the ripple frequency of the passing current, arranged to reduce the ripple value of the current passing through the current equalizing impedance (100);
- the current equalizing impedance (100) is optionally installed upon demanded;
- main load (101):
- related to a main load driven by AC, DC, or pulsating DC power, which is constituted by one or more than one kind of main loads, including electric energy to luminous energy main load, electric energy to thermal energy main load, electrical energy to mechanical energy main load, electrical energy to chemical energy main load, or electrical energy to acoustic energy main load;
- voltage-dividing load (102):
- related to a voltage-dividing load, which is same or different with the main load (101), driven by AC, DC, or pulsating DC power, constituted by one or more than one kind of voltage-dividing loads including electric energy to luminous energy voltage-dividing load, electric energy to thermal energy voltage-dividing load, electrical energy to mechanical energy voltage-dividing load, electrical energy to chemical energy voltage-dividing load, or electrical energy to acoustic energy voltage-dividing load, connected with the main load (101) in series, and connected with the power control unit (103) in parallel, for being driven by electric energy, and for the current passing through the voltage-dividing load (102) to be shunted regulation by the power control unit (103);
- power control unit (103):
- constituted by electromechanical switch device, solid-state semiconductor-type switch device, or solid-state semiconductor-type linear variable impedance device;
- when DC power source is utilized to perform chopping control, the power control unit (103) is operated to perform shunt regulation of alternate chopping frequency, or shunt regulation of PWM (Pulse Width Modulation) of chopping conduction time ratio, or shunt regulation of PWM of alternate chopping frequency and chopping conduction time ratio at the same time;
- when a two-way periodical alternate polarity power source is used, the power control unit (103) is operated to perform shunt regulation of conductive phase angle;
- when an DC power source or two-way periodical alternate polarity power source is used, the power control unit (103) is operated to perform shunt regulation of switch type turn-on or cut-off, or the linear impedance value of the power control unit (103) is regulated so as to operate the power control unit (103) to perform shunt regulation to the current passing through the voltage-dividing load (102);
- wherein in the current regulator drive circuit shunting current by voltage-dividing load, control means of the power control unit (103) includes one or more than one of the following control means including:
- 1) being controlled through installation of the voltage detector (104);
- 2) being controlled through installation of the current detector (105);
- 3) being controlled through installation of the voltage detector (104) and the current detector (105);
- 4) being controlled through setting circuit to perform regular shunt to the voltage-dividing load;
- 5) being controlled through a manually-operated control interface device to perform shunt regulation to the voltage-dividing load;
- 6) being controlled through inputting external signals to perform shunt regulation to the voltage-dividing load.
17 more elements
Dependencies are inferred from the claim text.