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ADE7978 Fiches technique(PDF) 1 Page - Analog Devices |
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ADE7978 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 120 page Isolated Energy Metering Chipset for Polyphase Shunt Meters Data Sheet ADE7978/ADE7933/ADE7932 Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Enables shunt current sensors in polyphase energy meters Immune to magnetic tampering Highly accurate; supports EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22, IEC 62053-23, ANSI C12.20, and IEEE 1459 standards Compatible with 3-phase, 3- or 4-wire (delta or wye) meters and other 3-phase services Computes active, reactive, and apparent energy on each phase and on the overall system Less than 0.2% error in active and reactive energy over a dynamic range of 2000 to 1 at TA = 25°C Less than 0.1% error in voltage rms over a dynamic range of 500 to 1 at TA = 25°C Less than 0.25% error in current rms over a dynamic range of 500 to 1 at TA = 25°C Power quality measurements including THD Single 3.3 V supply Operating temperature: −40°C to +85°C Flexible I2C, SPI, and HSDC serial interfaces Safety and regulatory approvals (pending) UL recognition 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A IEC 61010-1: 400 V rms VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 846 V peak APPLICATIONS Shunt-based polyphase meters Power quality monitoring Solar inverters Process monitoring Protective devices Isolated sensor interfaces Industrial PLCs TYPICAL APPLICATION CIRCUIT NEUTRAL PHASE C ISOLATION BARRIER LOAD PHASE A EARTH PHASE B PHASE A ADE7932/ ADE7933 IP IM V1P VM V2P GNDMCU GNDISO_A 3.3V PHASE B ADE7932/ ADE7933 IP IM V1P VM V2P GNDMCU GNDISO_B 3.3V PHASE C ADE7932/ ADE7933 IP IM V1P VM V2P GNDMCU GNDISO_C 3.3V NEUTRAL LINE ADE7932/ ADE7933 (OPTIONAL) IP IM V1P VM V2P GNDMCU GNDISO_N 3.3V ADE7978 ENERGY METERING IC GNDMCU 3.3V 3.3V GNDMCU I2C/HSDC OR SPI IRQ0, IRQ1 Figure 1. 3-Phase, 4-Wire Meter with Four ADE7933/ADE7932 Devices and One ADE7978 1 Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,329; 6,262,600; 7,489,526; and 7,558,080. Other patents are pending. |
Numéro de pièce similaire - ADE7978 |
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Description similaire - ADE7978 |
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