Recent questions tagged inverter

by anonymous asked Aug 29, 2019 101 views

What is means inverter topology and  name different inverter typologies?
Answer : Topology is the circuit arrangement. Generally 6 IGBT's for an inverter, all switching at high frequency to chop DC into AC. Most often used as a power supply or to control a motor but also as the power converter in a solar system as mentioned already....

by anonymous asked Jul 22, 2019 86 views

Draw CMOS inverter characteristic and explain it.
Answer : Characteristics: The characteristics of CMOS inverter depend on the charging and discharging of the load capacitance CL through the PMOS and NMOS transistors respectively. The finite time taken for this charging ... pass from input to output High-to-low delay (tdf) Low-to-high delay (tdr) ...

by anonymous asked Apr 30, 2018 3.5k views

A voltage source inverter will have better performance if its  (1) load inductance is small and source inductance is large.  (2) both load and source inductance are small.  (3) both load and source inductances are large.  (4) load inductance is large and source inductance is small. 
Answer : A voltage source inverter will have better performance if its load inductance is large and source inductance is small.  ...

by anonymous asked Apr 30, 2018 153 views

A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is :
Answer : A 3-phase voltage source inverter operates in 180° conduction mode with a star connected resistive load. If input dc voltage is 100 V, then the peak to peak output line voltage is : 200 V ...

by anonymous asked Apr 29, 2018 1.7k views

A voltage source inverter is normally employed when  (1) source inductance is large and load inductance is small (2) source inductance is small and load inductance is large (3) both source and load inductance are small (4) both source and load inductance are large
Answer : 3...

by anonymous asked Apr 29, 2018 461 views

In a self-controlled synchronous motor fed from a variable frequency inverter  (1) the rotor poles invariably have damper windings  (2) there are stability problems  (3) the speed of the rotor decides stator frequency  (4) the frequency of the stator decides the rotor speed
Answer : 2...

by anonymous asked Apr 28, 2018 135 views

The direction of rotation of an inverter fed 3-phase ac motor is reversed by (A) a mechanical reversing switch (B) reversing the input dc link voltage (C) operating the inverter as a rectifier (D) changing the sequence of switching
Answer : The direction of rotation of an inverter fed 3-phase ac motor is reversed by changing the sequence of switching ...

by anonymous asked Mar 19, 2018 448 views

Why thyristor are not preferred for inverter?

by anonymous asked Mar 10, 2018 50 views

State the need for reduction of harmonics in inverters. Enlist the various methods for reduction of harmonics in inverter output.

by Amit Sharma asked Feb 24, 2018 172 views

Answer : Igbt alone cant convert dc to ac. igbt half bridge or full bridge or three phase topology could be used to convert dc to ac. also igbt gates should be driven by microcontroller or pwm/spwm gate driving signals ... e4(-) and g4 c2e1 and c4e3 pins are AC output pins. its name is igbt inverter....

by anonymous asked Feb 19, 2018 408 views

Explain three phase bridge inverter.
Answer : Three phase bridge inverter: Three phase bridge inverter converts DC voltage input to three-phase variable frequency variable voltage output. DC voltage source can be a DC source or output of the rectifier. ... in proper sequence. The switch may be thyristor or IGBT etc. ...

by anonymous asked Feb 18, 2018 356 views

Give the circuit analysis of current source inverter with resistive load. What are the main difference between voltage source inverter and current source inverter?
Answer : Current source inverter (CSI): In current source inverter, the output current is independent of load. The input current of current source inverter is constant. Current source converter converts DC input current to ... are connected in parallel. In CSI diodes are connected in series. ...

by anonymous asked Dec 15, 2017 120 views

What is an inverter gate?
Answer : Not gate is known as inverter gate as it inverts the I/P ...

by anonymous asked Aug 9, 2017 171 views

What is Voltage Source Inverter (VSI) ?
Answer : Voltage Source Inverter (VSI)  Inverter is device which converts Direct Current (DC) to Alternating Current (AC). There are two types of inverters one is Voltage source inverter ... VSI consist of two load terminals and three phase VSI consist of three load terminals....

by anonymous asked Aug 6, 2017 104 views

what is inverter ?
Answer : Inverter is a device which converts DC into AC. For example, inverter are used in ups systems where the DC power stored in the battery is converted to AC when required....