Initial startup of meter meter shall be fully functional within 5. Allows time of use time of day toutod profiling antitamper features provided in the meter as per indian standards. Three phase thread through long range trivector meter orion. Energy meters energy efficiency devices modular din. A 3phase power meter based on the ade7752 application note. Meter constant r 2000 imp kwh electromagnetic high frequency fields to. The panel meter is installed on the cabinets front panel and shall be secured firmly with cabinet using 4 transparent clips use 0.
Annexure 1 technical specification for smart meters bses. A 3phase power meter based on the ade7752 application. The single phase meter should be single phase two wire, two element type without dlms capable to record and display energy in kwh and demand in kw for single. The meter shall be supplied along with pilfer proof box as per the details given in this specification.
All mahashakti make energy meters have the following antitamper features. Energy meter kwh individual phase and current reversal led indication. Net metering kwh features optional as per requirement of utility. C ingress protection ip 51 supported parameters as per customer requirement instantaneous phase wise voltages and currents, system pf, active, reactive and apparent power frequency phase sequence energy measurement 4 quadrant measurement of kwh, kvarh, and kvah. Input output interchange with current flows back into meter. The ade7752 provides a high frequency output at the cf pin. Scope the specification covers the design, manufacturing, testing, supply of ac whole current 3 phase 4 wire static watt hour meter for measurement of active energy kwh with initial and sustained accuracy of class 1. Specification of smart meters central electricity authority. Specification for testing equipment for ac energy meters. C a t 0 4 0 7 121, asaf ali road, new delhi 110 002 ph. Can be programmed for any other customer specific requirement. This output is used to speed the calibration process and provide a means of quickly verifying meter functionality and accuracy in a production environment. The push button for manual scrolling in addition to auto scrolling with a.
Whereas the parliament of india has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the bureau of indian standards is of particular interest to the public. Also there shall be no loss of energy registration on account of power outages due to high start up time of the meter. Mahashakti energy limited energy meter power transformer. Secure sprint 350 is 779 direct connected meter, kwh meter. Saving of more than 30% over coventional meters meter records correct energy with same accuracy. A varhour meter in which current and voltage act on solid state electronic elements to produce an output proportional to varhours. Climatic conditions the static energy meter shall be suitable for satisfactorily working under the following climatic conditions. Power consumption as per is 779 operating temperature 10. Electrical energy meters principles and applications. If a meter is used in combination with a current transformer. Level of automation achieved and lists of areas where manual processing exists.
Venkateswaran program manager meters meter constant cbip 304 july 2008 is 779. Energy meters allow to identify areas for improvement and to generate benefits for owners, facility managers and users. Secure sprint 350 is 779 direct connected meter, kwh. The meter should start registering the energy at 0. The meter shall be supplied in suitable packing so as to withstand transit shock. Contents page integra ci1 panel mounted kwh meter 2 singlephase dinrail kilowatt hour energy meters 34 threephase dinrail kilowatt hour energy meters 56 concentrator module for kilowatt hour energy meters 7. Isi marked lt ac static energy meters suitable for measurement of. Meter measures energy accurately even under adverse supply condition.
The maximum current for direct connected meters shall preferably be an integral multiple of the basic current for. Energy consumption awareness is key to reduce energy costs and improve energy efficiency on your machines and electrical assets. Initial startup of meter meter shall be fully functional within 5 seconds after. Energy meter testing procedure, energy meters testing. Meter records correct energy with same accuracy under reverse current connection. Laboratory testing and calibration laboratory, secure meters. Technical specifications of single phase whole current. Static energy meters shall be accepted against the tender. When the meter is under reference conditions, the percentage errors shall not exceed the limits as specified in is. Secure meters limited offering secure sprint 350 is 779 direct connected meter, kwh meter, bill tech energy meter, edmi energy meter, techno energy meter, enersol energy meter in gurgaon, haryana.
C ingress protection ip 55 supported parameters as per customer requirement instantaneous phase wise voltages and currents, system pf, active, reactive and apparent power frequency phase sequence energy measurement 4 quadrant measurement of kwh, kvarh, and kvah. Active energy cumulative kwh apparent energy cumulative kvah reactive energy cumulative kvarh both lag. This stage requires detailed planning to ensure the development of the prepaid energy meter system can fulfill the needs of all parties. C ingress protection ip 51 supported parameters as per customer requirement instantaneous voltage, phase and neutral currents, pf, active power and apparent power frequency energy measurement 4 quadrant measurement of kwh and kvah maximum demand kw and kva along with. Net cumulative active energy kwh if export energy is greater than import energy, sign should be displayed. Pf shall be as per is 779 with latest amendment thereof. The class of accuracy of the energy meter shall be 1. Energy kwh and demand kwmd in single phase, two wire system of lt. Requiring no maintenance, the kwh energy meters support energy efficiency and awareness whilst ensuring systems remain balanced and safe.
The smart meter shall support bidirectional communication feature. The terminal block should satisfy all the conditions specified in is. Alternating current static watthour meters for active energy class 1 and 2 e iec 529. The meter was designed for an i max of 50 aphase, an i b of 5 aphase, and a 100 impulses kwh meter constant. Scope the specification covers the design, manufacturing, testing, supply and delivery of ac whole current 3 phase 4 wire static watt hour meter for measurement of active energy kwh with initial and sustained accuracy of class 1. To verify, the above the meter will be switched offon 40 times at rated parameters and energy recording on. The smart meters shall meet the following minimum features. Alternating current static watthour meters for active energy class 0.
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