- Knowledge Base
- How to make live measurements with a Power Quality Analyser
- How to configure and setup a Power Quality Analyser
- How to measure inrush current with a Power Quality Analyser
- How to upgrade the firmware of 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
- How to setup and connect a Power Quality Analyser to record a power quality survey
- What are Harmonic distortions and their effects? and how to make measurements and analyse
- What can cause flickering light and voltage fluctuations?
- 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?
- What is the EN50160 standard for Power Quality?
- What are the standards for Power Quality Measurements?
- Do Power Quality Analysers use different methods to make measurements?
- 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?
- 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?
- What is a voltage swell?
- What is a voltage interruption?
- What is a voltage dip?
- What are voltage dips, swells and interruptions?
- What is the most common reason for Unbalance in an installation?
- What do we mean by an Unbalanced system?
- 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?
- What is the cause of harmonic components in current?
- What is the cause of harmonic components in voltage?
- What can happen when harmonics exist in a system?
- Why is the presence of higher harmonics in the system not desirable?
- How are Harmonics calculated?
- 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?
- Do I need to measure Distortion Power?
- What is Distortion Power?
- How do we calculate the reactive power in non-sinusoidal systems?
- How is Reactive power measured on sinusoidal circuits?
- What is Active Power?
- What are the different types of power?
- 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?
- 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?
- 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?