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KW HR POWER METERING INFORMATION SITE




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Current Rank: 95 (Technology & Computers)
URL: http://kwhrmeter.blogspot.com/
Site Description: your revenue, our concern
Date Joined: Nov 30, 2012


Latest Blog Posts

FORM (FM) 2S METERING TYPE INTERNAL CONNECTION AND DIAGRAMS
on Dec 13, 2012 in socket kW-hr meter Below is a diagram of a FM 2S meter type. Form 2S  240 Volt, 1 Stator, 3-Wire Self Contained Socket Meter...



METER SOCKETS BASIC INFORMATION
on Dec 9, 2012 in socket kW-hr meter The Type-S meter is designed so that its terminals appear as short, rigid, copper contact blades extending outward from the back of the meter. To connect this meter to line and load wires, an auxiliary mounting device is required. This device is t...



FULL LOAD AND LIGHT LOAD ADJUSTMENT OF WATT HOUR METER
on Nov 29, 2012 in kW-hr meter Full-Load Adjustment The eddy currents in the disk caused by the permanent magnets produce a retarding force on the disk. In order to adjust the rotor speed to the proper number of revolutions per minute at a given (or “rated”) voltage and curr...



WHAT IS COMPENSATION METERING?
on Nov 29, 2012 in kW-hr meter The objective of compensation metering is to determine unmetered losses which occur between the billing and metering points, and then record the losses on a loss meter or combine the losses with the metered portion of the load on a single meter. T...



ELECTROMECHANICAL METER PERMANENT MAGNET OR MAGNETIC BREAK
on Nov 29, 2012 in kW-hr meter Another essential part of the electromechanical meter is a magnetic brake. Torque on the disk caused by interaction of fluxes tends to cause constant acceleration. Without a brake, the speed of rotation would only be limited by the supply frequency...



D'ARSONVAL INSTRUMENT - PERMANENT-MAGNET,MOVING-COIL INSTRUMENT
on Nov 29, 2012 in kW-hr meter Figure below represents the mechanism of a permanent-magnet, moving-coil instrument. Here, the field produced by the direct current in the moving coil reacts with the field of the permanent magnet to produce torque. Mechanism of Permanent-Magnet...



MOVING IRON INSTRUMENT APPLICATIONS IN METERING
on Nov 29, 2012 in kW-hr meter Measurement of Current Since the actuating coil may be wound with a choice of many wire sizes, the instrument may be constructed to measure current from a few milliamperes up to 100 or 200 amperes in self-contained ratings. For measuring currents b...



ELECTRICITY METERING FOR THREE-WIRE NETWORK SERVICE SYSTEM DIAGRAMS
on Nov 29, 2012 in kW-hr meter diagrams Two-Stator Meter Three-wire network service is obtained from two of the phase wires and the neutral of a three-phase, four-wire wye system, as shown in Figure 7-2. It is, in reality, two two-wire, single-phase circuits with a common return circuit...



MOTOR IN AN ELECTROMECHANICAL SINGLE-STATOR AC METER
on Nov 29, 2012 in kW-hr meter The motor is made up of a stator sensing the phase voltage and current with electrical connections, as shown in Figure 7-14, and a rotor, which provides the function of multiplication. The stator is an electromagnet energized by the line voltage a...



THE MOVING-IRON INSTRUMENT - ELECTRIC METERING PARTS
on Nov 23, 2012 in kW-hr meter The measurement of alternating current (or voltage) is the measurement of a quantity that is continuously reversing direction. The permanent-magnet, moving- coil instrument movement cannot be used since the AC field of the moving coil reacting wit...



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