Page 3 of 20 v the meter shall have an operation indication device such as a blinking ledlcd. Systems and services to monitor and control the use of energy. 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. Whats meant by trivector meter where it is connected at the substation answer chakra babu gundra. Under influence of any magnetic field ac dc permanent above 0. Data collection is possible through optically isolated serial interface, using a pc or mri, or on modbus on rs485. Similar to the much vaunted trifector, the trivector pertains to accomplishing or attempting to accomplish something within the range of three. Electrical energy meters principles and applications. Practical aspects of turbine flow meters calibration and uvc. Types of energy meters and their working principles.
What is the basic working principle of tri vector meter. What is the basic working principle of tri vector meter answer sourav dutta this is a instrument, which measures kvah and also kva of maximum demand. It states that in a steady, ideal flow of an incompressible fluid, the total energy at any point of the fluid is constant. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. Be semesteriii electrical question bank electrical and. Trivector consists of three subsidiaries each specialising in a particular area. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. Rotameter working principle animation instrumentationtools. These instruments can measure both power as well as energy.
A second terminal block between the current transformer and the meter simplifies service work. Examples of electromagnetic meter movements include the darsonval, weston, and ironvane designs. The area will increase as the flowrate through the meter increases to preserve a constant delta pressure. They are used for billing power drawn by industrial customers. Trivector meter base mounting product improvement is a continuous process. Trivector meters are normally used in substations and to measure the power flowing through the feeders. Dec 12, 2019 the principle of operation of trivector energy meter is explained with the help of block diagram. The order of the chapters does not necessarily follow the order.
May 09, 2020 the 3 phase ct operated trivector meter is designed for metering of htlt consumers and for feeders. The answers to the latter are to be found towards the end of the book. Block diagram, principle of operation, accuracy of measurement, electronic. It thus is a tensor with either only covariant indices subscripts or only contravariant indices superscripts, where each index can take on values from 1 to n. Electromagnetic movements work on the principle of a magnetic field being generated by electric current through a wire.
Secure premier 300 energy meter user manual pdf scoop. Single phase energy meter theory pdf download mastercard. The samples of these signal at a particular instant are collected by sample and hold circuit. Trivector article about trivector by the free dictionary. This is a general phrase that can be used in any circumstance from the. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load, reactive load, apparent load etc. The voltage and current singles are received from pt and ct respectively. Viscous drag also contributes to the pressure drop across the turbine meter. The conductivity meter a typical conductivity meter applies an alternating current i at an optimal frequency1 to two active electrodes and measures the potential v. Pressure drop devices based on bernoulli principle a venturi b orifice plate c pitot tube 2. The pressure of the fluid is measured at two different points. The meter shall be suitable for measurement of energy and power, demand requirement in an ac bal ancedunbalanced system over a power factor range of zero.
Automatic water level controller working principle w. But u can see total commulative consumption on display by pressing up down keys on meter. Trivector meter trivector meter is designed to record active, reactive and apparent power along with m. The 3 phase ct operated trivector meter is designed for metering of htlt consumers and for feeders. Working principle of speedometer is the torque of the motion of the wheels is read through a meter and is visible to the user. An induc tor is connected to the q meter coil terminals and resonated at the mea surement frequency, the q and tuning capacitance, q and c1, are read, the sample foils are then connected tothe q meter cap terminals ai. Venturimeter principle, construction and working with. The offered meter will count the number of cycles in vt output during each successive 15 minute block and divide the same by 900 when supply voltages are present to arrive at the average frequency the meter will also compute the reactive power on 3phase, 4wire principle, with an.
Get trivector meter at best price with product specifications. What is the working principle of energy meter answers. The operation indicator shall be visible from the front window. Abt meters electrical substation analog to digital. Our trivector meter is a true four quadrant, three vector meters with mdi and has an automatic self diagnostics check. Overview of flowmeter models matheson offers a complete line of variable area flowmeters to meet your application requirements.
Its main functions include energy measurement, data display, communication, prepayment, contactor. The power triangle is sum of kw, kvar, kva and the meter which gives readings all of the above variables is called tri vector meter. Tod, load survey data, tamper information downloadable to cmri through optical port. In most houses, we have water tanks that are filled for regular and daily use of water. The transmission and distribution network include substations, lines and distribution transformers. Trivector offers services within the areas of transport, itsystems and business development. The conductivity meter then uses the conductance and cell constant to display the conductivity. Abt meters electrical substation analog to digital converter. Free download ebooks they ranged from the player will receive a reward car after leveling up until reaching level 50. Overview hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment. It belongs to a class of meters called variable area meters, which measure flow rate by allowing the crosssectional area the fluid travels through, to vary, causing a measurable effect. Meters matching with requirements of other national or international standards.
It is often incased in glass and has a disk that rotates that. Trivector meter can measure active power capacitor components. Dec 02, 2016 how to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. The cpu processes these input signals for finding kva vi, kwh vi cos, rkva vi sin and other parameters. Water is a gift from the gods and it shouldnt be wasted. Increasing viscosities will limit the maximum attainable flow rate. Electrical energy meters principles and applications energy management. We will switch the water motor on and keep track of. The trivector meter is a measuring instrument which measures the active power, reactive power and total energy consumed of a power line. If a meter is used in combination with a current transformer. Three phase energy meter trivector meter, maximum demand meters. Hi, you cannot collect data without suitable mri meter reading instrument or respective company applications.
The total energy consists of pressure energy, kinetic energy and. High voltage transmission is used so that smaller, more economical wire sizes can be employed to carry the lower current and to reduce losses. Electronic trivector meter, er300p pride is a multipurpose unit which integrate several functions and replace various equipments for metering energy parameters. It consists of calibration pulses which provide finest accuracy tests. Apr 28, 2019 three phase energy meter trivector meter, maximum demand meters. Electrostatic movements work on the principle of physical force generated by an electric. Erp pride is a multi purpose unit which integrate several functions and replace various equipments for metering. Trivector meters are normally used in substations and to measure the power flowing through the. Working principle of trivector meter electrical machines. The trivector meter is a measuring instrument which measures the kw, kvar, the kva of a power line. A rotameter is a device that measures the flow rate of liquid or gas in a closed tube rotameter. For the latest information and special applications, please contact any of our offices listed here. The principle of working of static abt meter is sampling.
Sound level meter sound level meter in a working process excessive noise at the enterprises and the environment may have very grave results and influence the health of the workers hearing loss. What is the working principle of orifice meter answers. These are used for measuring active, reactive, and apparent energy. We are among the prominent manufacturer, exporter and supplier of a quality range of energy management system, energy management equipment, electronic digital meter, electronic transducer, electronic control panel, electronic digital indicator, digital timer. The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh. Both the current and the potential are used to calculate the conductance iv. What is the working principle of energy meters measure. In the absence of supply, it provides even the minute readings.
He says the music was so loud it hurt his ears padatnya traffic juga bisa mempengaruhi modem untuk sering disco, terutama pada peak time. Fundamental electrical and electronic principles contains 349 illustrations, 112 worked examples, 26 suggested practical assignments and 234 assignment questions. Highlights a threephase, trivector energy meter design with, types of tariff registers salem3t. Ahmedabad tel 0796630400711 bangalore tel 08025020100. A working principle is a regulation or rule that is used so that work can be done. Dynamic torque, on the other hand, is not easy to measure, since it generally requires transfer of some effect electric.
Principle of working of abt meter the cpu central processing units only accepts digital signals. I am using qmodbus to communicate with energy meter. Principle of working of abt meter the energy is recorded in terms of pulses per kwh. Whats meant by trivector meter where it is connected at. Variable area flow meters operate at a constant delta pressure. Trivector meter can measure active power free download as word doc. A torque sensor, torque transducer or torque meter is a device for measuring and recording the torque on a rotating system, such as an engine, crankshaft, gearbox, transmission, rotor, a bicycle crank or cap torque tester. Automatic water level controller working principle 3 types. May 07, 2018 hi, you cannot collect data without suitable mri meter reading instrument or respective company applications.
The zip file contains labview vis and other files which will be used in some of the experiments during the course. Electronic static kwh meters 3 phase kwh static energy. Jun 26, 2018 30 jan 2018 secure premier 300 energy meter user manual premier is a smart digital energy meter for three phase ct pt operated electricity metering florida residential landlord and tenant act part ii pdf, crane ee5301 manual. Trivector meter can measure active power,reactive power,apparent power i. Write the working principle of resonance type frequency meter. Program files logitech desktop messenger 8876480 program bwplugprotocol8876480. Time of day metering allows electric rates to be changed during a day, to record usage.
Cromptons potentiometer standardization measurement of unknown resistance, current, voltage. How to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. They are also used for billing power drawn by industrial customers. Therefore, the analogue signals are converted to digital by the circuit called adc analogue to digital converter. I have a 500kva generator supplying 33kv line with a distance of 55km, the line has 7 transformers at the receiving i. A mas s flow meter operating on the corioli s principle c ontain s a v ibra ting tube i n which a fluid flow caus es changes i n frequen c y, phase s hift or am plitude. It replaces a set of instruments which must otherwise be installed and has the advantage of yielding full and more accurate data the trivector meter consists of three different. The trivector group consists of trivector traffic, trivector system and trivector logiq.
Electrical system bureau of energy efficiency 3 service. The working of venturimeter is based on the principle of bernoullis equation. The most common design of variable area meter is the coneandfloat type, which is also known as a rotameter. Special committees that follow and monitor the level of noise and its influence have been created in every country. The meter is ct operated at 5 amperes per phase and had a. An obstruction orifice is placed in a pipe filled with fluid.