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A single phase fully controlled rectifier is supplying a load with an anti-parallel diode as shown in the figure. All sw...
GATE EE 2018
The waveform of the current drawn by a semi-converter from a sinusoidal AC voltage source is shown in the figure. If I0 ...
GATE EE 2018
The figure below shows the circuit diagram of a controlled rectifier supplied from a $$230V,$$ $$50$$ $$Hz,$$ $$1$$-phas...
GATE EE 2017 Set 2
In the circuit shown, the diodes are ideal, the inductance is small, and $${{\rm I}_0} \ne 0.$$ Which one of the followi...
GATE EE 2017 Set 2
A phase-controlled, single-phase, full-bridge converter is fed from a $$230$$ $$V,$$ $$50$$ $$Hz,$$ $$AC$$ source. The f...
GATE EE 2017 Set 2
A half-controlled single-phase bridge rectifier is supplying an $$R$$-$$L$$ load. It is operated at a firing angle $$α$$...
GATE EE 2012
The fully controlled thyristor converter in the figure is fed from a single-phase source. When the firing angle is $${0^... GATE EE 2010 A single phase full$$-$$wave half$$-$$controlled bridge converter feeds an inductive load. The two$$SCR's$$in the ... GATE EE 2007 A single$$-$$phase fully controlled thyristor bridge$$ac-dc$$converter is operating at a firing angle of ... GATE EE 2007 A single$$-$$phase half wave uncontrolled converter circuit is shown in figure. A$$2$$-winding transformer is used a... GATE EE 2006 A three - phase diode bridge rectifier is fed from a$$400VRMS$$.$$50Hz$$, three$$-$$phase$$AC$$sour... GATE EE 2005 The circuit in figure shows a$$3-$$phase half$$-$$wave rectifier. The source is a symmetrical,$$3-$$phas... GATE EE 2004 The circuit in figure shows a full-wave rectifier. The input voltage is$$230V(rms)$$single-phase ac. The pea... GATE EE 2004 A fully controlled natural commuted$$3$$-phase bridge rectifier is operating with a firing angle$$\alpha = {30^0}.$$... GATE EE 2003 A six pulse thyristor rectifier bridge is connected to a balanced$$50Hz$$three phase$$ac$$source. Assuming that the ... GATE EE 2002$$AC$$to$$DC$$circulating current dual converters are operated with the following relationship between their triggeri... GATE EE 2001 A thyristorised three phase fully controlled converter feeds a$$dc$$load that draws a constant current. Then the input... GATE EE 2000 Resonant Converter's are basically used to GATE EE 1999 In a dual converter, the circulating current GATE EE 1997 In a$$3$$- phase controlled bridge rectifier, with an increase of overlap angle the output$$dc$$voltage GATE EE 1996 A single phase diode bridge rectifier supplies a highly inductive load. The load current can be assumed to be ripple fre... GATE EE 1995 A three phase$$ac$$-to-$$dc$$diode bridge rectifier is supplied from a three-phase,$$440V$$source. The rectifier sup... GATE EE 1995 Referring to the figure the type of load is ... GATE EE 1994 The output voltage of a six - pulse double star rectifier is the same as that of a three - phase half wave rectifier GATE EE 1994 In the circuit shown in fig,$$L$$is large and the average value of$$'i'$$is$$100A.$$The thyristor is gated in the ... GATE EE 1992 ## Marks 2 More A phase controlled single phase rectifier, supplied by an AC source, feeds power to an R-L-E load as shown in the figure... GATE EE 2018 The figure below shows an uncontrolled diode bridge rectifier supplied form a$$220$$Z$$V,50Hz,1$$-phase... GATE EE 2017 Set 1 A single-phase bi-directional voltage source converter (VSC) is shown in the figure below. All devices are ideal. It is ... GATE EE 2016 Set 2 A full-bridge converter supplying an RLE load is shown in figure. The firing angle of the bridge converter is 120º. The ... GATE EE 2016 Set 2 In the given rectifier, the delay angle of the thyristor$${T_1}$$measured from the positive going zero crossing of$${...
GATE EE 2015 Set 2
A diode circuit feeds an ideal inductor as shown in the figure. Given $${V_s} = 100\,\,\sin \,\left( {\omega t} \right)V... GATE EE 2014 Set 3 A fully controlled converter bridge feeds a highly inductive load with ripple free load current. The input supply$$\lef...
GATE EE 2014 Set 2
A three-phase fully controlled bridge converter is fed through star-delta transformer as shown in the figure. The conv...
GATE EE 2014 Set 3
The figure shows the circuit diagram of a rectifier. The load consists of a resistance $$10\,\Omega$$ and an inductance...
GATE EE 2014 Set 1
A solar energy installation utilize a three – phase bridge converter to feed energy into power system through a transfor...
GATE EE 2011
A solar energy installation utilize a three – phase bridge converter to feed energy into power system through a transfor...
GATE EE 2011
The input voltage given to a converter is $${V_i} = 100\sqrt 2 \,\,\,\sin \,\,\,\left( {100\pi t} \right)\,\,V$$ The cu...
GATE EE 2011
The input voltage given to a converter is $${V_i} = 100\sqrt 2 \,\,\,\sin \,\,\,\left( {100\pi t} \right)\,\,V$$ The cu...
GATE EE 2011
The circuit shows an ideal diode connected to a pure inductor and is connected to a purely sinusoidal $$50$$ $$Hz$$ volt...
GATE EE 2009
A single phase fully controlled converter bridge is used for electrical braking of a separately excited $$dc$$ motor. Th...
GATE EE 2008
A single - phase half controlled converter shown in the figure feeding power to highly inductive load. The converter is ...
GATE EE 2008
A three phase fully controlled bridge converter is feeding a load drawing a constant and ripple free load current of $$1... GATE EE 2008 A single phase full bridge converter supplies a load drawing constant and ripple free load current. If the triggering an... GATE EE 2008 In the circuit of adjacent figure the diode connects the$$ac$$source to pure inductance$$L.$$The diode conducts f... GATE EE 2007 A single$$-$$phase,$$230V$$,$$50Hzac$$mains fed step down transformer$$(4:1)$$is supplying power t... GATE EE 2007 A single - phase bridge converter is used to charge a battery of$$200V$$having an internal resistance of$$2\,\,\...
GATE EE 2006
A solar cell of $$350V$$ is feeding power to an $$ac$$ supply of $$440$$ $$V,$$ $$50$$ $$Hz$$ through a $$3$$- phase ful...
GATE EE 2006
A $$3$$ $$-$$ phase fully controlled bridge converter with free wheeling diode is fed from $$400$$ $$V$$, $$50$$ $$Hz$$ ...
GATE EE 2006
Consider a phase $$-$$ controlled converter shown in figure The thyristor is fired at an angle $$\alpha$$ in every posi...
GATE EE 2005
A phase - controlled half - controlled single - phase converter is shown in figure. The control angle $$\alpha = {30^ \... GATE EE 2003 In the single phase diode bridge rectifier shown in fig, the load resistor is$$R = 50\Omega .$$The source voltage is... GATE EE 2002 A three phase thyristor bridge rectifier is used in a$$HVDC$$link. The firing angle$$\alpha $$(as measured from the ... GATE EE 2002 A half-wave thyristor converter supplies a purely inductive load, as shown in figure. If the triggering angle of the thy... GATE EE 2001 A$$3$$-phsae, fully controlled, converter is feeding power into a$$d.c.$$load at a constant current of$$150A.$$The ... GATE EE 1998 When the firing angle$$\alpha $$of a single phase, fully controlled rectifier feeding constant$$d.c.$$current into a... GATE EE 1998 ## Marks 5 More A three phase diode bridge is used to provide rectified output from a$$400V,50Hz,3$$- phase supply to a ... GATE EE 1999 An$$SCR$$is connected in series with a$$300Vac$$supply and a$$300 ohms load resistor calculate (a) The readi...
GATE EE 1997

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