• No results found

single-phase AC input power factor correction

Power Factor Correction in Single Phase AC-DC Converter

Power Factor Correction in Single Phase AC-DC Converter

... Switched-mode power supplies employ either variable switch duty cycle or variable switching frequency (occasionally both) associated with feedback circuitry to provide the required output voltage and output ...THD ...

6

Speed Control of DC Motor with Modified SEPIC Rectifier

Speed Control of DC Motor with Modified SEPIC Rectifier

... A single phase ac-dc bridgeless power factor correction SEPIC converter fed DC motor is proposed in this ...the input of the DC ...peak input voltage, ...

7

Power factor correction (PFC) of a single phase AC to DC Interleaved boost Converter by using novel control scheme

Power factor correction (PFC) of a single phase AC to DC Interleaved boost Converter by using novel control scheme

... The power sources have quite low–voltage output and require series connection of voltage booster to provide higher output ...high power density and high efficiency electrical power system which can ...

6

Single Phase AC-DC Converter Employing Power Factor Correction with High Frequency Isolation Using Buck-Boost PWM Converter

Single Phase AC-DC Converter Employing Power Factor Correction with High Frequency Isolation Using Buck-Boost PWM Converter

... passive power factor correction techniques, an LC filter is inserted between the AC mains line and the input port of the diode rectifier of AC/DC converter as shown in Figure ...

11

An Efficient AC/DC Converter with Power Factor Correction

An Efficient AC/DC Converter with Power Factor Correction

... conventional input stage for single phase power supplies operates by rectifying the ac line voltage and filtering with large electrolytic ...distorted input current waveform with ...

6

Investigation of Harmonic Content and Power Factor Improvement for Single Phase AC-DC Converter Topologies

Investigation of Harmonic Content and Power Factor Improvement for Single Phase AC-DC Converter Topologies

... the AC input to the Stator of the ...DC input to the Inverter is obtained from an AC/DC converter (preferably Three Phase ...minimization single-stage filters [1] Input ...

15

A Single Phase High Power Factor AC-DC converter with Soft Switching Characteristics

A Single Phase High Power Factor AC-DC converter with Soft Switching Characteristics

... electric power distribution systems, telecommunication systems, energy conversion systems and other high power ...as power factor correctors. The most popular topology in power ...

7

A High Power Factor Switched Mode Power Supplied using Full Bridge Converter

A High Power Factor Switched Mode Power Supplied using Full Bridge Converter

... to Power electronics revolution, people have very efficient tools to solve problems of having DC voltage to power the Electronics ...converting input voltage 230V AC power to some fixed ...

8

Power quality improvement in a induction motor drive using zeta converter as single stage PFC converter

Power quality improvement in a induction motor drive using zeta converter as single stage PFC converter

... in power factor correction ...improving power quality in terms of Power Factor Correction (PFC), reduced total harmonic distortion at input ac mains and ...

6

Development of an AC DC buck power factor correction

Development of an AC DC buck power factor correction

... all single-phase AC-to-DC power supplies have a full-wave bridge rectifier circuit on the input, which attempts to hold its DC voltage constant between the half-cycle peaks of the ...

34

Current Controlled Single-Phase Interleaved Boost Converter with Power Factor Correction

Current Controlled Single-Phase Interleaved Boost Converter with Power Factor Correction

... The Input rms voltage is 220 V and the output voltage is 457V. The Power Factor (PF), Total harmonic Distortion (THD), Current and voltage ripple waveform under variable load and variable switching ...

7

Power Factor Correction of Three Phase Induction Motor

Power Factor Correction of Three Phase Induction Motor

... low power factor in motor drives system following disadvantages occurs, large KVA rating of the machine, greater conductor size, large copper loss, poor voltage regulation, reduces the power handling ...

8

New DCM Operated Single Phase Bridgeless Cuk Derived Converters for Power Factor Correction

New DCM Operated Single Phase Bridgeless Cuk Derived Converters for Power Factor Correction

... a power factor corrected (PFC) new bridgeless (BL) Cuk Topologies for low power ...the input current ripple and Electromagnetic Interference ...the input, output currents of the ...

13

Development of a power factor correction buck converter in single phase rectifier using fuzzy logic

Development of a power factor correction buck converter in single phase rectifier using fuzzy logic

... line AC-DC converters [5], it is very difficult to improve power factor where high efficiency is required throughout the entire ...A Power Factor Correction circuit using Boost ...

37

Development of an AC DC buck boost power factor correction

Development of an AC DC buck boost power factor correction

... The single phase PFC BBC with proposed controllers is shown in Figure ...unity power factor can be attained and there is almost no change in power factor when the line frequency ...

38

Single Phase Single Stage High Power Factor Cuk Rectifier

Single Phase Single Stage High Power Factor Cuk Rectifier

... utility power, and more than 50% of this power is processed through some kind of power ...Usually power converters use a diode rectifier followed by a bulk capacitor to convert AC ...

8

Brushless DC Motor Drive using an Isolated Luo Converter for Power Factor Correction

Brushless DC Motor Drive using an Isolated Luo Converter for Power Factor Correction

... A new configuration of an isolated-Luo converter has been proposed in this work for feeding the BLDC motor drive. The operation of proposed drive has been realized using a single voltage sensor. An approach of ...

8

Modified Bi-directional AC/DC Power Converter with Power Factor Correction

Modified Bi-directional AC/DC Power Converter with Power Factor Correction

... existing power converters and industrial motor drive systems draw non-sinusoidal currents from the ...the power supply which it causes serious concern for ...same power supply are adversely ...

6

Development of an AC DC boost power factor correction

Development of an AC DC boost power factor correction

... (AC) input into direct current a (DC) output, refer Figure ...When ac voltage is applied to the four-diode full-wave bridge rectifier, the positive half of the sine wave will be rectified by diodes 1 ...

34

A New Topology and Control Strategy for Harmonic Elimination and Power Factor Correction Using a Series Active Power Filter

A New Topology and Control Strategy for Harmonic Elimination and Power Factor Correction Using a Series Active Power Filter

... in power system become increasingly serious due to the wide application of power electronic equipments and non-linear loads in recent ...the power utility in many ...the power harmonic ...

5

Show all 10000 documents...

Related subjects