Replaces multiple analog meters through single digital meter 1ph or 3ph volt or amps display digital panel meters 1ph digital frequency meter 4 digits, seven segments, 15mm height, bright red led display, 0. Pdf automatic energy meter reading using smart energy meter. Namaskar dosto is video mein aap sabhi ko bataya hai how electricity metre works ki ki ek chota sa basic principle umeed karta hoon aap sabhi ko. Poly phase multifunction energy metering ic with per phase information data sheet ade7758 rev.
Even as energy grids are aging, they need to evolve by getting more resilient to physical and cyber threats. Design of a smart energy meter with overload trip facilities ijeat. Read all the dials, except the testing dials on a gas meter, which have no numbers. Digital energy meters by the millions analog devices. Fast digital calibration procedure for stpm01 based energy.
Four quadrant metering is the ability to measure all four quadrants of the energy spectrum as illustrated in the diagram below. Here we discuss the construction and working principle of induction type energy meter. Index termsadvanced metering infrastructure, electrome. It is used in domestic and industrial ac circuit for measuring the power consumption. Pm3210 power meter output digital and pulse version 2. 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 energy accumulation register has capacity to display 999999 kwh for all meter forms without overflowing. Analog to digital converter adc with tdma communication for analog energy meters automation and conversion. Single phase energy metering ic with pulsed output and digital. Energy measurement products family overview analog devices. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. A simple capacitive power supply for the msp430 energy meter. In this thesis, a noiserobust pulsedetection algorithm is proposed used to monitor analog electricity meters.
Current sensing for energy metering analog devices. The function of recording or registering mechanism is to record continuously a number on the dial which is proportional to the revolutions made by the moving system. When the energy meter is connected in circuit, the current coil carries the load current and pressure coil carries the current proportional to the supply voltage. Energyefficient electricitymeter monitoring tu delft repositories. The ade9153a from analog devices is a singlephase energymetering ic that includes autocalibration.
A residential energy meter with maximum current of 200amps that is based on the rogowski coil and ade7759 has recently been introduced. Voltage is measured by the help of a voltage divider circuit. Electrical energy meters principles and applications. Iot based electricity energy meter using esp12 and arduino. Energy meter circuit detailed project with source code. Based on energy meter measurements the customer gets a bill and has to pay for energy consumption. Analog input module ai energy meter 480vac st 6es746pa200bd0 manual 102017 a5e36061895ab preface documentation guide 1 product overview 2 wiring 3 configuration address space 4 5 quick start reading and processing measured values 6 7 energy counters 8 operating hours counter 9 limit monitoring minimum and maximum values 10.
The ade family of devices measure both positive and negative active energy. One unit equals one kwh killowatthour or watthours. This article is the report of a theoretical investigation into the possibility of having analog meters to communicate power consumption to utilities. Observe rapidly changing electrical values in equipment such as motors and generators with an analog display that shows the magnitude and rate of change more easily than a digital display. Technical specifications for single phase electronic energy meter of. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation. Implementation of a singlephase electronic watthour meter using. The need to digitize the existing power holding company of nigeria phcn analogue meter and the increasing demand for smart energy compatible meter. Type of display like analog or digital electric meter.
The analog front end consists of up to three analogtodigital converters adcs based on a. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. So the eem is known as static energy meter in eem the accurate functioning is controlled by a specially designed ic called asic application specified integrated circuit. Nv energy tips for reading your analog meter keywords. It is used everywhere, no matter how big or small consumption it is. Energy meter or watt hour meter is classified in accordance with several factors such as. Design and implementation of wireless energy meter system.
Wireless energy meter is a system developed to serve as a basic singlephase energy meter with advanced functionalities such as peak hour setting, peak load setting wireless reading transmission. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device electric utilities use electric meters installed at customers premises for billing purposes. The energy is the total power consumed and utilised by the load at a particular interval of time. The advantages of highly functional threephase meters for digital energy measurement have been demonstrated in north americas commercial and industrial. 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. Specification for ac static electrical energy meters. As the arduino analog pin input voltage is restricted to 5v i designed the voltage divider in such a way that the output voltage from it should be less than 5v. Metsepm3210 pm3210 power meter output digital and pulse. Implementation of a singlephase electronic watthour. Analog input module ai energy meter st 6es74 6pa00 0bd0 manual, 072014, a5e03551812ab 7 documentation guide 1 the documentation for the simatic et 200sp distributed io system is. Record the numbers on each dial, starting from the right and ending on the left, using the following rules. This forum is intended to provide help for customers looking at the energy monitoring and metering parts. These are very important for energy metering application because of the hostile operating condition and long operation life of an energy meter.
The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. To tell the consumer or meter reader how much electricity has been used since the last reading. Analog input module ai energy meter 480vac st 6es74. A simple 0na200na meter operating from two flashlight cells or one lithium battery is shown in figure 38. E information furnished by analog devices is believed to be accurate and reliable. Take current, voltage, resistance, and other electrical measurements with one meter. The majority of these parts start with ade in the part number. If a meter is used in combination with a current transformer. Analog input module ai energy meter 400vac st 6es74. Analog panel meters and systems are usually simpler and less expensive than their digital counterparts. An analog panel meters needle will swing back and forth between the the two extremes and show the pulses range, whereas a digital panel meters display will change constantly, making it difficult to track the pulses range. If the analog meter is bidirectional it will spin backwards when your solar electric system is pushing extra electricity. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options.
The device is highly integrated, as shown in the diagram below. Meters for power or energy contain inbuilt transducers and can be customized to. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search. Qualified personnel the productsystem described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Analog to digital converter for analog energy meters. Majharul islam08 kazi mahmudul hasan11 shahjalal university of science and technology,sylhet3114 dept. Din panel meters 6 an extensive range of 48, 72, 96 and 144 mm din style panel meters. They are typically calibrated in billing units, the most common one being the kilowatt hour kwh.
However, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. It is capable of measuring and displaying kilowatthours delivered to and received from a load. We have used this sensor to make digital ammeter circuit using pic microcontroller and acs712 circuit diagram circuit diagram for iot based energy meter using arduino and nodemcu is given above, connect esp12 as below connect rx of esp12 tx of arduino. What are the advantages and disadvantages of usual energy meters.
Take a look through the key documents section to the right, for the part number you are working with. Pdf extraction of energy information from analog meters using. You can check a meters accuracy by reading your own meter or accessing your meter data online. Switchingbasedpower supply for the msp430 energy meter 3. Electromechanical energy meters have been the standard for metering the electricity since billing began. What is the solution for the drawbacks of commonly used energy meters.
Shortscale ammeters, voltmeters and frequency meters incorporate slidein dials and terminal covers. Type of metering point like grid, secondary transmission, primary and local distribution. Analog devices is the market leader in sales of energy metering ics with over 175 million meters deployed worldwide with ade products. Fast digital calibration procedure for stpm01 based energy meters introduction this document describes the fast digital calibration procedure enabled by stpm01 in solid state energy meters.
Smart meters digital or smart meters record daily electricity use and share information about consumption between users and electricity suppliers over wireless digital radio frequency networks. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. Energy meter is an electrical measuring device, which is used to record electrical energy consumed over a specified period of time in terms of units. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Focus kwh measuring instruments pdf manual download. Register types the focus kwh is an active energy kwhonly meter. My battery used for storing the power from the solar panel is rated 6v, 5. Analog meters also known as electromechanical are the most common, the simple meter spins forward when your using electricity. Easy connection of various external transducers via. Many of the devices also measure both positive and negative reactive energy, allowing all four quadrants to be recorded. Your analog meter stand directly in front of the meter so you can clearly see the location of each pointer. But these are now being gradually replaced by electronic digital energy meters.