# Pmmc Meter Ppt ppts

Searching:

Slide 1

6021 dl's @ 2474 KB/s

Slide 1

Loading effects of AC Voltmeters Summary * Introduction Several types of meter movements maybe used to measure ... The d’Arsonval meter movement used in a DC voltmeter Sensitivity= 1/Ifs d’Arsonval MM with ½ Wave Rectification * PMMC meter movements will not work correctly if directly ...

http://communicationsengineering.files.wordpress.com/2010/01/ac-meters-part-1.ppt

Date added: February 24, 2012 - Views: 33

720301 Electrical Instruments and Measurements

Ayrton Shunt At B Total resistance R1+R2+R3 Meter resistance Rm At C Total resistance R1+R2 Meter resistance Rm+R3 At D? Example 4.3: A PMMC instrument has a three-resistor Ayrton shunt connected across it to make an ammeter as shown in Figure 3-13.

http://utcc2.utcc.ac.th/engineer/learning/supachate_in/subjects/instru_meas/chapter04.ppt

Date added: March 2, 2012 - Views: 85

CHAPTER 5

Permanent-magnet moving coil (PMMC) meter movements will not work correctly if directly connected to alternating current, because the direction of needle movement will change with each half-cycle of the AC. Permanent-magnet meter movements, ...

http://portal.unimap.edu.my:7778/portal/page/portal30/Lecturer%20Notes/KEJURUTERAAN_KOMPUTER/EKT241/EMT_113_ELECTRICAL_ENFGINEERING_TECHNOLOGY/LECTURE_NOTES/EMT113_CH5_AMIR%20RAZIF.PPT

Date added: March 17, 2014 - Views: 5

Forecasting - UniMAP Portal

Full wave rectification Two types of PMMC meter used in AC measurement : * D’Arsonval meter movement used with half wave rectification To convert alternating current (AC) to unidirectional current flow, which produces positive deflection when passed through a PMMC, ...

Date added: May 20, 2014 - Views: 2

CHAPTER 1 Measurement and sensing techniques in thyristorised ...

Same as PMMC except permanent magnet is replaced by fixed coils. Same current both in fixed coil and moving coil. Torque exerted on moving coil α meter current squared. deflection α average torque α average of the current squared.

http://c501400.r0.cf2.rackcdn.com/documents/EE/PESD(CHA1)PPT.pptx

Date added: June 11, 2013 - Views: 13

720301 Electrical Instruments and Measurements

Example 5.1: A PMMC instrument with FSD of 100 A and a coil resistance of 1k is to be converted into a voltmeter. ... Rm. Multi-range Voltmeter In Figure 3.16(a), only one of the three multiplier resistors is connected in series with the meter at any time.

http://utcc2.utcc.ac.th/engineer/learning/supachate_in/subjects/instru_meas/chapter05.ppt

Date added: March 6, 2012 - Views: 27

Chapter 02

Apply the concepts related to error to the circuits calculation. * Outlines Introduction pmmc = d’Arsonval meter movement Ayrton Shunt ( ammeter ) Series resistors ( voltmeter ) ...

http://www4.hcmut.edu.vn/~nntan/chuong2%20-%20do%20ap&dong.ppt

Date added: May 8, 2013 - Views: 8

Slide 1

PERTEMUAN 4 – 6 MENARA MULTIMETER dan PENGUKURAN ARUS SEARAH METER ARUS SEARAH Pendahuluan ALAT UKUR PMMC (Permanent Magnet Moving Coil ) Disebut juga gerak d’Arsonval Alat ukur PMMC terdiri dari magnet tetap dan kumparan yang bila dialiri arus akan timbul gaya untuk menggerakkan pointer ...

Date added: June 2, 2013 - Views: 9

LECTURE IV

... ----- Representasi skematik pada pengukuran thermocouple basic dengan menggunakan thermocouple CDE and a PMMC movement ... lilitan kompensasi ----- Watt-hour meter Elements of a single-phase watthour meter Power-factor meter Connections for a single ...

http://www.mdp.ac.id/materi/2011-2012-2/TK314/111061/TK314-111061-803-7.ppt

Date added: August 23, 2013 - Views: 4

PEUKUR ANALOG

... m pmmc a,v,Ф, Ω dc r pmmc dengan penye arah a, v, f, Ω ac/dc t pmmc dengan termo kopel a, v, w dc moving iron (besi putar) s atraction revul tion a, v. a, v. ac/dc ac/dc 2. elektro dinamis moving coil d dinamo meter a, v, w, cos φ ac/dc 3. elektro magnit induksi i split ...

http://amrangambut.files.wordpress.com/2011/08/9-peukur-analog.ppt

Date added: August 17, 2013 - Views: 2

PowerPoint 簡報 - 清華大學物理系歡迎頁 Welcome to ...

Some meter movements have a needle that is spring-centered in the middle of the scale sweep instead of to the left, ... Such an instrument design is generally known as a permanent-magnet, moving coil, or PMMC movement: ...

http://www.phys.nthu.edu.tw/%7Egplab/file/97-2/lab19_Ammeter,%20Voltometer,%20and%20Ohmmeter.ppt

Date added: October 27, 2012 - Views: 9

PEUKUR ANALOG - amrangambut | Just another WordPress.com site

KEMAGNETAN MOVING COIL (KUMPARAN PUTAR) M PMMC A,V,Ф, Ω DC R PMMC DENGAN PENYE ARAH A, V, F, Ω AC/DC T PMMC DENGAN TERMO KOPEL ... = 21,11896/103 Nm/rad Tc = Kg. sin 60o = 21,11896/103 x 0,5 = 10,55x10-3 N m Kopel dari suatu am.meter ber ubah2 sesuai dengan kuadrat arus yg ...

http://amrangambut.files.wordpress.com/2013/08/6-peukur-analog.ppt

Date added: September 17, 2013 - Views: 7

เครื่องวัดไฟฟ้า ...

... (Var meter) ... กระแสสลับ ใช้หลักการของเครื่องวัดแบบ PMMC ทำงานร่วมกับวงจรเร็คติฟายร์ โดยหน้าที่ของ วงจรเร็คติ ...

http://edltv.vec.go.th/courses/32/10110041p.ppt

Date added: December 12, 2013 - Views: 5

... or PMMC movement ，利用此設計發展成達松發可動線圈 ... (electrostatic meter movements) 特殊高電壓伏特計用electrostatic meter movements 取自參考資料，達松發可動線(D’Arsonval movement) ...

http://www.phys.nthu.edu.tw/%7Egplab/file/97-2/e1.ppt

Date added: March 3, 2012 - Views: 19