2015-05-16



What are Surge Capacitors?

The Surge Capacitor is always connected to the power supply. When the Surge appears it absorbs the surge, holds it on for sometimes and then releases it into ...

www.electrotechnik.net/2009/10/what-are-surge-capacitors.html



What are the causes for the failure of capacitors?

Capacitors can fail due to a number of reasons. The failure of capacitors can lead to short-circuit, damage to the circuit and sometimes even explosion.

www.electrotechnik.net/2010/09/what-are-causes-for-failure-of.html



Capacitor Trip Modules.

Capacitor Trip modules are used in breaker circuits to provide a source of back up power for trip operations in the event of the failure of the breaker control ...

www.electrotechnik.net/2012/07/capacitor-trip-devices.html

Coupling Capacitor

A coupling capacitor is a capacitor which is connected in series to a circuit. The function of the coupling capacitor is to block DC and permit only AC to pass ...

www.electrotechnik.net/2015/02/coupling-capacitor.html

What is a DC link Capacitor ?

The DC link capacitor is a capacitor which is connected in the DC link between a rectifier and an inverter in converter circuits such as those found in VFD drives.

www.electrotechnik.net/2015/02/what-is-dc-link-capacitor.html

Discharging Capacitors

Capacitors are widely used in Electrical and Electronic applications. They are used in filter circuits, for power factor correction, for starting motors and for a host of ...

www.electrotechnik.net/2011/04/discharging-capacitors.html

What are Bleeder Resistors in Capacitors

Capacitors are devices which store charge as an electrostatic field. When the supply connected to a capacitor is removed, the capacitor still retains the charge  ...

www.electrotechnik.net/2009/10/what-are-bleeder-resistors-in.html

Capacitor Protection Relays - An Overview

Capacitor Protection Relays consist of a number of different protection elements such as overcurrent, overvoltage, differential protection, etc. They also have ...

www.electrotechnik.net/.../capacitor-protection-relays-overview.html

What is the difference between a condenser and a capacitor ?

A condenser and a capacitor are essentially the same thing. They are just two different names. Capacitors were called condensers earlier. The term "condenser " ...

www.electrotechnik.net/.../what-is-difference-between-condenser.html

Drying of Electrolytic Capacitors

The drying of the Electrolyte in the electrolytic capacitor can be due to age or high temperature. Hence, care should be taken to ensure that the capacitors are not ...

www.electrotechnik.net/2015/.../drying-of-electrolytic-capacitors.html

What are X and Y capacitors ?

Y Capacitors are used between a phase and the chassis (ground) of an equipment. Ycapacitors are used where the failure of the capacitor will lead to an  ...

www.electrotechnik.net/2015/02/what-are-x-and-y-capacitors.html

Polarity in Capacitors

Capacitors are components which are used in electric and electronic circuits to store charge, to filter dc, to improve power factor and so on. There are many kinds  ...

www.electrotechnik.net/2010/09/polarity-in-capacitors.html

Capacitance Drift in Capacitors

Capacitance Drift refers to the change in capacitance values over a period of time . The value of a capacitor will change over the years. This is because the ...

www.electrotechnik.net/2015/02/capacitance-drift-in-capacitors.html

Ceramic Capacitors

Ceramic Capacitors are capacitors which use ceramic as the dielectric. Ceramic capacitors are one of the earliest type of capacitors. Today, Ceramiccapacitors ...

www.electrotechnik.net/2015/02/ceramic-capacitors.html

Types of Single phase motors.

The power factor is good due to the presence of the capacitor at all times. The efficiency is high and the torque produced is smoother. Ceiling Fans use this type  ...

www.electrotechnik.net/2015/01/types-of-single-phase-motors.html

Pressure Relief Vent in Electrolytic Capacitors

Pressure Relief Vents are provided in Electrolytic Capacitors to prevent explosions. In electrolytic capacitors, hydrogen gas is released during operation.

www.electrotechnik.net/2015/02/pressure-relief-vent.html

Capacitors and Power Factor Correction

Power factor correction involves improving the power factor of a system by adding capacitors to reduce the parallel. Power factor correction is used widely ...

www.electrotechnik.net/.../capacitors-and-power-factor-correction.html

What are polarised and non polarised capacitors

Polarized capacitors are capacitors which can be connected only in one polarity. That is, the positive and negative terminals cannot be changed. Electrolytic ...

www.electrotechnik.net/.../what-are-polarised-and-non-polarised.html

Running Three Phase motors with single Phase supply

A three phase device can be run with a single phase converter by means of a static capacitor phase converter. The phase converter converts the single phase  ...

www.electrotechnik.net/.../running-three-phase-motors-with-single.html

What are Air Capacitors?

An Air capacitor is made of two banks of semicircular plates which are mounted on a single shaft. The rotation of the shaft controls the amount of overlap ...

www.electrotechnik.net/2014/01/what-are-air-capacitors.html

Double Layer Capacitors

Double Layer Capacitors are a type of electrolytic capacitors which have high storage density. This enables them to have a high capacitance value.

www.electrotechnik.net/2015/02/double-layer-capacitors.html

What is the difference between AC and DC capacitors ?

There are no specific AC or DC capacitors. All capacitors can be used in DC applications. In AC applications, only non-polarized capacitors which do not have  ...

www.electrotechnik.net/.../what-is-difference-between-ac-and-dc.html

What is a DC link ?

The DC link usually has a capacitor known as the DC link Capacitor. This capacitor is connected in parallel between the positive and the negative conductors.

www.electrotechnik.net/2015/02/what-is-dc-link.html

Series Capacitors in Transmission Lines

Series capacitors are used in transmission line to compensate for the line inductance. These capacitors are connected in series with the lines. SeriesCapacitors ...

www.electrotechnik.net/.../series-capacitors-in-transmission-lines.html

Self-Healing in Capacitors

Self-healing is a feature in Film type capacitors. Self healing is a process by which pin-hole defects in the dielectric film can be "healed" or rectified. Thus ...

www.electrotechnik.net/2015/02/self-healing-in-capacitors.html

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