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
Three Types 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 Three Types of Analog Instruments