What Direct loading of energy meter?

Updated: 8/10/2023
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11y ago

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These devices contribute to the energy-wasting phenomenon called "phantom power," or vampire energy. Simply put, this is the power that is used when electronic devices draw energy from the grid into your home just by being plugged in, when you aren't looking and you aren't using them.

Many electronic devices continue to draw power even when not in use. Energy drawn by the standby mode sometimes is referred to as a "phantom load." An estimated 50 percent of the energy used by an electronic device is drawn while the device is not in use, making phantom loads responsible for 4 to 7 percent of your total electricity use. Phantom loads can be reduced in many ways, some of them for little cost or free.

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11y ago
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Faizel 1404

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3y ago

Energy Meter or Watt-Hour Meter is an electrical instrument that measures the amount of electrical energy or energy used by the consumers over an interval of time.

The basic unit of power is watts and it is measured by using a watt meter. One thousand watts make one kilowatt. If one uses one kilowatt in one-hour duration, one unit of energy gets consumed. So energy meters measure the rapid voltage and currents, calculate their product and give instantaneous power. This power is integrated over a time interval, which gives the energy utilized over that time period

3-Phase Energy Meter is used for measuring the power of three phase supply, It can interface with different services like 3-phase 4-wire, 3-phase 3-wire, and 3-phase 4-wire with 2½ elements. It can also provide active, reactive, and apparent energy calculations as well as power quality measurements, voltage rms, and current rms. The 3-phase meter is constructed by connecting the two single phase meter through the shaft. The total energy is the sum of the reading of both the elements.

Utilities are one of the electrical departments, which install these instruments at every place like homes, industries, organizations, commercial buildings to charge for the electricity consumption by loads such as lights, fans, refrigerator, and other home appliances.

Standard used for Calibration of Energy Meter:

The calibration laboratory is accredited by NABL as per ISO/IEC 17025:2017 standard.

Comparison method using 3-Phase Energy Meter, Electrical Source.

Calibration Parameter of Energy Meter: AC Voltage, AC Current, AC Power – Active Power Reactive Power, Power Factor, AC Active Energy, AC Reactive Energy.

Some of Calibration Laboratory:

• NPL - The CSIR- National Physical Laboratory of India, situated in New Delhi, is the measurement standards laboratory of India. It maintains standards of SI units in India and calibrates the national standards of weights and measures

Contact Address: New Delhi – 110012

Phone (Reception): 011-45609212

• MSME - The Ministry of Micro, Small and Medium Enterprises, a branch of the Government of India

Contact Address: Guindy, Chennai

Phone (Reception): 044-22500539

• ETDC - Electronics Test & Development Centre, Chennai is a premier Government of India organization, with specialization in comprehensive testing of Electronics and IT products as per National Standards of Bureau of Indian Standards (BIS) and International Standards like International Electro-technical Commission (IEC) as well as other industrial and company standards

Contact Address: VSI Estate, Thiruvanmiyur, Chennai - 600 041

Phone (Reception): 044-24547700

• CPRI - Central Power Research Institute, CPRI is the power house of the Indian electrical industry. Set up in 1960 by the Government of India, it functions as a centre for applied research in electrical power engineering assisting the electrical industry in product development and quality assurance.

Contact Address: 4th Block, Dodda Basti, Sir M Vishweshwaraiah Layout 4th Block, SMV Layout, Bengaluru, Karnataka 560056 Bangalore

Phone: 080-22072213

• Godrej Calibration Services – a division of “Godrej & Boyce Mfg Co Ltd”,

NABL accredited calibration laboratory as per standard ISO/IEC17025:2017. They are world class and well equipped laboratories who delivers calibration services of the highest quality and ensures services by maintaining your instrument at highest accuracy level.

Godrej Calibration Services is one of the largest private labs in India, Calibration Labs at Mumbai, Pune, Vadodara, Chennai, Gurugram, and Regional offices in Bhopal, Bangalore, Hyderabad, Vizag.

Over 15000+ Customers in India, Bangladesh and Middle East for Onsite and In-house calibration as per customer requirements.

Contact Address:

Chennai: No.1 Sidco Industrial Estate, Ambattur, Chennai-600098, Tamilnadu, India. Phone (Reception): 044-66544651/52/53.

Mumbai: Plant 18B, 1st Floor, Godrej Compound, Pirojshanagar, Vikhroli East, Mumbai-400079, Maharashtra, India. Phone (Reception): 022-67965914/18/76.

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10y ago

errors in energy meter is creeping error...

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9y ago

A 3 phase energy meter comprises of 3 phases and 1 neutral conductor. Its calibration include each measurement done on 3 current sensors and 3 voltage sensors.

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11y ago

direct loading of energy meter means the load is directly connected to the meter whereas in phantom loading the current and voltage are seperately measured,

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11y ago

with a resistive load

no need to worry about phase angle

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Q: What Direct loading of energy meter?
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Related questions

What is the difference between between direct loading and phantom loading?

In phantom loading,less power is consumed as the current and voltage coils are connected seperately;but in direct loading a load is connected which draw a considerable power.

What is the difference between direct loading and phantom loading?

Phantom loading consits of supplying the pressure circuit from a seperate low voltage supply. It s possible to circulate rated current through the curent circuit with a low voltage supply as the impedance of this is very low. therfore the total power required for testing the meter is compartively smal with phantom loading.

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A wattmeter measures power, which is the rate of doing work, expressed in watts.An energy meter measures the amount of energy consumed, usually in kilowatt hours.The meter on the wall of your house is an energy meter.

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