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2. Network analyzer (electrical) - Wikipedia

   en.wikipedia.org/wiki/Network_analyzer_(electrical)

   ZVA40 vector network analyzer from Rohde & Schwarz.. A network analyzer is an instrument that measures the network parameters of electrical networks.Today, network analyzers commonly measure s–parameters because reflection and transmission of electrical networks are easy to measure at high frequencies, but there are other network parameter sets such as y-parameters, z-parameters, and h ...

3. Network analyzer (AC power) - Wikipedia

   en.wikipedia.org/wiki/Network_analyzer_(AC_power)

   A "transient network analyzer" was an analog model of a transmission system especially adapted to study high-frequency transient surges (such as those due to lightning or switching), instead of AC power frequency currents. Similarly to an AC network analyzer, they represented apparatus and lines with scaled inductances and resistances.

4. Electric power quality - Wikipedia

   en.wikipedia.org/wiki/Electric_power_quality

   Electric power quality is the degree to which the voltage, frequency, and waveform of a power supply system conform to established specifications. Good power quality can be defined as a steady supply voltage that stays within the prescribed range, steady AC frequency close to the rated value, and smooth voltage curve waveform (which resembles a sine wave).

5. Energy analyser - Wikipedia

   en.wikipedia.org/wiki/Energy_analyser

   Energy analyser or energy analyzer may refer to: A type of diagnostic probe used in the study of plasma physics; An electron energy analyzer, as used in Auger Electron Spectroscopy; Electrostatic analyzer, a device used in mass spectroscopy to allow the passage ions or electrons that have a given specific energy

6. Spectrum analyzer - Wikipedia

   en.wikipedia.org/wiki/Spectrum_analyzer

   A spectrum analyzer from 2005 A modern real time spectrum analyzer from 2019. A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to measure the power of the spectrum of known and unknown signals.

7. Power-flow study - Wikipedia

   en.wikipedia.org/wiki/Power-flow_study

   In power engineering, the power-flow study, or load-flow study, is a numerical analysis of the flow of electric power in an interconnected system. A power-flow study usually uses simplified notations such as a one-line diagram and per-unit system, and focuses on various aspects of AC power parameters, such as voltages, voltage angles, real power and reactive power.