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3-phase 3 wire metera 3-phase 3 wire meter has 2 elements of each category on the other hand of 3 elements as in the case of 3-phase 4 wire meter the
3 phase 4 wire meters3-phase 4 wire meters 1020 2050 a are used for agricultural and industrial consumers for loads up to 50 a the meters are
single phase meterssingle phase meters are commonly rated for 240 v ac supply the current ratings are 510 1020 2510 or 520 a or are for direct
lt metering or low tension meteringthe subsequent types of meters are generally used for lt consumerswhole current metersi single phase
metering techniquesthe techniques of metering could be categorized depending upon the voltage at which consumers are fed as1 lt low tension metering
automatic meter reading and remote meter reading automatic meter reading amr and remote meter reading rmr elaborate several systems which permit
prepaid metersprepaid metering is a system whereby consumers purchase electricity by a smart card the amount paid together along with other
multiple tariff meters or tou meterstime of use metering facilitates load control and planning on the part of utilities this is efficiently achieved
demand metersdemand meters measure volt-amperes in kva that merge both reactive reflected and actual consumed power in its easiest form a demand
static or electronic energy meterselectronic energy meters are replacing traditional electromechanical meters in several residential commercial and
hybrid metersthese meters have electronic measurement circuits but show is by impulse countersstepper motors accuracy is classically class 10 or 20
electromechanical meterselectromechanical energy meters are based on the ferraris principle see note in the margin the working of these meters is
technology options for meteringenergy meters classically consist of an energy measurement apparatus for measuring energy consumption and a gauge in
metering technologiesan electric meter or energy meter is a device in which measures the amount of electrical energy supplied to customers of an
metering and billing systempreviously you have learnt about various measures for reducing commercial losses of a utility you have studied in which
technical loss reduction - power supply1 technical loss reduction could be achieved through several measures such as network reconfiguration load
prepaid meteringprepaid metering is the state of art for single and three-phase although current metering and should be implemented through utilities
prepayment metersusage of prepayment meters will extensively improve the revenue collection of the utilities there are a number of ways in that
demand side managementdemand side management refers to programmes implemented through utilities to modify consumer load profile energy efficiency
activities to preparing long-term plans1 data collection regarding existing loads forecast of expected loads operating conditions and etc from grid
objective of long-term plans for technical loss reductionthe primary objectives of strengthening and improvement of sub-transmission and distribution
long-term plans for technical loss reductionlong-term measures for technical loss reduction include all measures that require to be taken for the
preventive and regular maintenancepreventive and regular manages of components of the distributions system is necessary to reduceeliminate breakdowns
types of high voltage distribution systema high voltage distribution system could be of the subsequent types- three phase extension ht line from the
high voltage distribution system or hvdsadoption of hvds high voltage distribution system through converting existing lvds to hvds reduces the