Skip to content
Power Quality Analysers Logo
  • Home
  • Products
    • Power Quality Analysers
    • Prosumer Multifunction Testers
    • Power Quality Software
    • Current Clamps
    • Accessories
  • Related Services
    • Power Quality Surveys
    • Power Quality Training
    • Power Quality Reports
  • Power Quality Knowledge Base
  • Newsroom
  • Contact
  • Home
  • Products
    • Power Quality Analysers
    • Prosumer Multifunction Testers
    • Power Quality Software
    • Current Clamps
    • Accessories
  • Related Services
    • Power Quality Surveys
    • Power Quality Training
    • Power Quality Reports
  • Power Quality Knowledge Base
  • Newsroom
  • Contact

Power Quality Knowledge Base

Home/Power Quality Knowledge Base
Power Quality Knowledge Basepqa_admin2022-11-24T15:56:42+00:00

Accuracy

  • What is the IEC61000-4-30 standard for Power Quality Analysers?
  • What are Class B Power Quality Analysers?
  • What are Class S Power Quality Analysers?
  • What are Class A Power Quality Analysers?
  • Do different manufacturers of Analysers have different accuracys?
View All 5

Case Studies

  • What are Harmonic distortions and their effects? and how to make measurements and analyse
  • What can cause flickering light and voltage fluctuations?
View All 2

Current Clamps

  • How do flexible current clamps work?
  • What can Hall Effect CTs measure?
  • Do I need current clamps to measure AC and DC current?
  • How does a current clamp work?
View All 4

Flicker

  • What causes flicker?
  • What level of flicker can cause problems?
  • How is flicker measured?
  • What light sources can be effected by flicker?
  • Why would I measure for Flicker?
  • What is Power Quality Flicker?
View All 6

General

  • Is there a recognised standard for Power Quality Measurements?
  • Who is interested in Power Quality?
  • What is the Power Balance Rule?
  • How do Switched Mode Power Supplies effect the current waveform?
  • Where do Power Quality Problems come from?
View All 5

Harmonics

  • Can THDF and THDR give different measurements?
  • How many harmonics are used to calculate the Total Harmonic Distortion?
  • What is Total Harmonic Distortion (THD)?
  • Why do the zero sequence or triplen harmonics case problems?
  • What are the most undesirable harmonics?
  • What are the Harmonics characteristics in three-phase systems?
View All 11

Power Quality Recording

  • What is the correct sample period when performing a power quality survey?
  • What is the correct sample period when looking for power quality problems?
  • Why do Power Quality Analysers use averages for some measurements?
  • How much long do I need to make power quality measurements for?
View All 4

Standards

  • What is SECR?
  • What is CRC?
  • What is ESOS?
  • What are the Engineering Recommendations G5/4
  • What is the IEC61000-4-30 standard for Power Quality Analysers?
  • What is ISO50001?
View All 9

Types Of Power

  • What is the difference between Power Factor and Displaced Power Factor?
  • What is Apparent Power?
  • Why do Industrial users need to measure reactive power?
  • Do domestic installations need to measure Reactive Power?
  • Why do I need to measure Reactive Power?
  • What is Reactive Power and Nonactive Power?
View All 12

Unbalanced

  • What is the most common reason for Unbalance in an installation?
  • What do we mean by an Unbalanced system?
View All 2

Videos

  • How to measure inrush current with a Power Quality Analyser
  • How to upgrade the firmware of a Power Quality Analyser
  • How to make live measurements with a Power Quality Analyser
  • How to configure and setup a Power Quality Analyser
  • How to setup a Power Quality Analyser to record a power quality survey
  • How to measure the low voltage EN50160 standard with a Power Quality Analyser
View All 7

Voltage Dips, Swells And Interruptions

  • What is a voltage swell?
  • What is a voltage interruption?
  • What is a voltage dip?
  • What are voltage dips, swells and interruptions?
View All 4

Title

Site Links

Power Quality Expert
Power Quality Health Check 
Power Quality Health Check Companion App
Power Quality Clinic
Power Quality Training 
Power Quality Suite
Power Quality Newsroom

Power Quality Expert and Power Quality Health Check are registered companies in England and Wales.

Power Quality Expert is a registered trademark of Power Quality Expert Limited.

© Copyright 2016 -  Power Quality Expert | Developed by TheTechGuysUK
Page load link
Go to Top