MTE1122-I/P Microchip Technology, MTE1122-I/P Datasheet
MTE1122-I/P
Specifications of MTE1122-I/P
Related parts for MTE1122-I/P
MTE1122-I/P Summary of contents
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... INTRODUCTION This application note describes an electronic system to improve the efficiency of certain types of single-phase induction motors. The system is based around the MTE1122 - an energy management controller IC for induction motors. This CMOS device is based on Microchip’s RISC processor core and proprietary firmware algorithms. When ...
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... MTE1122 load, the voltage to the motor can be as low as 85 VAC, instead of the usual 120 VAC. Power consumption can be cut by as much as 58%, depending on load, and operating temperature lowered by as much ...
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... Reducing the voltage to the motor cuts its power draw. By reviewing Table 1, it can be seen that at no load, the 1/3 HP test motor is dissipating 120W, much heat. With the MTE1122 managing the power load, this drops to 50W, a savings of 58%. At full load, the figures are, respectively, 428W and 406W, for a savings of 5%. ...
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... AN599 FIGURE 3: MOTOR SPEED CHANGE FIGURE 4: MOTOR EFFICIENCY 70.0 With E.M.C. 60.0 50.0 40.0 30.0 20.0 10.0 0 DS00599B-page 4 Without E.M.C. With E.M. Percent Load Without E.M. Percent Load 1995 Microchip Technology Inc. ...
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... FIGURE 5: EFFICIENCY IMPROVEMENT 160.0 140.0 120.0 100.0 80.0 60.0 40.0 20.0 0 FIGURE 6: MOTOR CURRENT DRAW 7.0 Without E.M.C. 6.0 5.0 4.0 3.0 2.0 1.0 0 1995 Microchip Technology Inc Percent Load With E.M. Percent Load AN599 DS00599B-page 5 ...
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... DS00599B-page 6 Without E.M. Percent Load ENERGY SAVINGS for 1/4 HP MOTOR 110V and 220V Percent Load With E.M. 110V EMC vs no EMC 220V EMC vs no EMC 220V no EMC vs 110V no EMC 100 1995 Microchip Technology Inc. ...
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... TABLE 2: ENERGY SAVINGS LOAD (%) 100 1995 Microchip Technology Inc. 1/3 HP Motor without E.M.C. Power Power RPM Factor In (W) Out (W) 0.18 120 1791 0.20 130 1788 0.24 160 1781 0.29 193 1777 0.35 229 1768 ...
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... AN599 FIGURE 9: WAVEFORMS DS00599B-page 8 1995 Microchip Technology Inc. ...
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... FIGURE 10: MTE1122 CIRCUIT WAVEFORMS Note: Forms 2-8 ref’d to sig gnd. All are 5 ms per division. 110V line. 1995 Microchip Technology Inc. This document was created with FrameMaker Form 1 LINE:NEUT 50V Form 2 U2:4 500 mV Form 3 U3:7 2V Form 4 U3:2 1V AN599 Form 5 LINE OUT ...
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... AN599 TABLE 3: BILL OF MATERIALS FOR MTE1122 ENERGY MANAGEMENT CONTROL DEMO BOARD Item Qty. Reference C4, C9,C10 9 3 D1,D2 D6, R5, R15 23 1 R14 R10,R13 29 2 R11,R12 30 1 R16 Note 1: C2,8,9,10 MUST be AC-rated capacitors. THIS IS CRUCIAL! Note 2: Q3 can be sized to fit the load. A 400V 15A part is called out in the parts list and on the schematic; a 600V 25A part is also listed on the schematic for reference ...
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... AN599 FIGURE 11: SCHEMATIC DIAGRAM DS00599B-page 11 This document was created with FrameMaker 1995 Microchip Technology Inc. ...
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... Information contained in this publication regarding device applications and the like is intended for suggestion only and may be superseded by updates. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip ...