Blog Posts - Pq Devices



STATIC SYNCHRONOUS SERIES COMPENSATOR (SSSC)

Static Synchronous Series Compensator (SSSC) is a modern power quality FACTS device that employs a voltage source converter connected in series to a transmission line through a transformer. The SSSC operates like a controllable series capacitor and s...

DELTA CONVERSION ONLINE UPS

Delta Conversion Online UPS is a modern innovation that eliminates the disadvantages of the traditional double conversion online UPS. The enhancements are based on having a delta inverter and allowing bidirectional power flow. Today, this design is t...

MOTOR-GENERATOR (M-G) SET FOR IMPROVED RIDE-THROUGH

Motor-Generator (M-G) set is basically a combination of a motor and generator, although it is physically different from an ordinary electric motor that is attached to a separate generator. It has many practical functions that generally involve conver...

ISOLATION TRANSFORMERS AGAINST NOISE AND TRANSIENTS

Isolation Transformer is a special type of transformer, wherein the primary and secondary windings are physically separated through a so-called double insulation. Also, an isolation transformer with electrostatic shields is commonly employed as power...

ESD OR ANTISTATIC WRIST STRAP

ESD or Antistatic Wrist Strap is a protective device worn by personnel while working on sensitive electronic components in order to safely direct static electricity from their body to ground, and avoid equipment damage. This is because the...

STATCOM (STATIC SYNCHRONOUS COMPENSATOR)

STATCOM or Static Synchronous Compensator is a shunt device, which uses force-commutated power electronics (i.e. GTO, IGBT) to control power flow and improve transient stability on electrical power networks. It is also a member of the so-called Flexi...

STATIC VAR COMPENSATORS (SVC) IN THE POWER SYSTEM

Static Var Compensator (SVC) is a power quality device, which employs power electronics to control the reactive power flow of the system where it is connected. As a result, it is able to provide fast-acting reactive power compensation on electrical s...

ACTIVE HARMONIC FILTERS (AHF)

Active Harmonic Filters (AHF) are power quality devices that monitor the nonlinear load and dynamically provide controlled current injection, which cancels out the harmonic currents in the electrical system. They also correct poor displacement p...

OVERVIEW OF PASSIVE HARMONIC FILTERS

Passive Harmonic Filters are currently the most common method used to control the flow of harmonic currents. They are built using a series of capacitors (capacitance) and reactors (inductance) forming an LC circuit in parallel with the power source.

OVERVIEW ON PASSIVE HARMONIC FILTERS

Passive Harmonic Filters are currently the most common method used to control the flow of harmonic currents. They are built using a series of capacitors (capacitance) and reactors (inductance) forming an LC circuit in parallel with the power source.

TRUE RMS MULTIMETER FOR ACCURATE MEASUREMENTS

True RMS Multimeter, as the name suggest, measures the real root mean square value of the input current and voltage. It utilizes an integrated circuit that derives the true RMS of dynamic and complex waveforms of all shapes and sizes. This capability...

EMERGENCE OF SUPERCAPACITOR OR ULTRACAPACITOR

Supercapacitor or Ultracapacitor is technically an electrochemical double layer capacitor (EDLC). This technology is already gaining ground in challenging the Battery as the leading and preferred energy storage device. It exemplifies a large improvem...

EMERGENCE OF SUPERCAPACITOR OR ULTRACAPACITOR

Supercapacitor or Ultracapacitor is technically an electrochemical double layer capacitor (EDLC). This technology is already gaining ground in challenging the Battery as the leading and preferred energy storage device. It exemplifies a large improvem...

SWITCHED MODE POWER SUPPLY (SMPS) FOR ELECTRONICS APPLICATIONS

Switched Mode Power Supply (SMPS), sometimes called Switcher is gaining popularity in the last decade or so. The SMPS is more efficient and lighter in weight as compared to its conventional counterpart, the linear power supply. Generally, electroni...

SWITCHED MODE POWER SUPPLY (SMPS) FOR ELECTRONICS APPLICATIONS

Switched Mode Power Supply (SMPS), sometimes called “switchers” is gaining popularity in the last decade or so. The SMPS is more efficient and lighter in weight as compared to its conventional counterpart, the linear power supply. Generally, el...

UNDERSTANDING SERIES CAPACITORS

Series Capacitors are generally applied to compensate the excessive inductance of long transmission lines, in order to reduce the line voltage drop, improve its voltage regulation, minimize losses by optimizing load distribution between parallel tran...

UNDERSTANDING SERIES CAPACITORS

Series Capacitors are generally applied to compensate the excessive inductance of long transmission lines, in order to reduce the line voltage drop, improve its voltage regulation, minimize losses by optimizing load distribution between parallel tran...

SHUNT CAPACITORS AND THEIR APPLICATIONS

Shunt Capacitors have several uses in the electric power systems. They are utilized as sources of reactive power by connecting them in line-to-neutral. Electric utilities have also connected capacitors in series with long lines in order to reduce its...


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