This article explains the measurement of three-phase power in star connected or delta connecter load using the wattmeter methods. The power in a three phase load can be measured by following methods: Three wattmeter method Two wattmeter method One wattmeter method The name of these methods indicates the number of wattmeters used in the measurement of … [Read more...] about Measurement of Three Phase Power | Wattmeter Methods
Instrumentation
Classification of Analog Instruments
An analog device is one in which the output or display is a continuous function of time and bears a constant relation to its input. The analog instruments find extensive use in present day applications although digital instruments are increasing in number and applications. The areas of application which are common to both analog and digital instruments are fairly limited at … [Read more...] about Classification of Analog Instruments