{"product_id":"9789333221658","title":"Measurement \u0026 Instrumentation for JNTU-H 18 Course (III - I - EEE - EE503PE) (Decode)","description":"\u003cp\u003eUNIT - I: Introduction to Measuring Instruments Classification - deflecting, control and damping torques -Ammeters and Voltmeters -PMMC, moving iron type instruments - expression for the deflecting torque and control torque - Errors and compensations, extension of range using shunts and series resistance. Electrostatic Voltmeters­ electrometer type and attracted disc type - extension of range of E.S. Voltmeters. (Chapter - 1) UNIT - II: Potentiometers \u0026amp; Instrument Transformers Principle and operation of D.C. Crompton's potentiometer-standardization-Measurement of unknown resistance, current, voltage. A.C. Potentiometers: polar and coordinate type's standardization - applications. CT and PT - Ratio and phase angle errors. (Chapter - 2) UNIT - III: Measurement of Power \u0026amp; Energy Single phase dynamometer wattmeter, LPF and UPF, Double element and three element dynamometer wattmeter, expression for deflecting and control torques - Extension of range of wattmeter using instrument transformers - Measurement of active and reactive powers in balanced and unbalanced systems. Single phase induction type energy meter - driving and braking torques - errors and compensations-testing by phantom loading using R.S.S. meter. Three phase energy meter-tri-vector meter, maximum demand meters. (Chapter - 3) UNIT - IV: DC \u0026amp; AC Bridges Method of measuring low,medium and high resistance - sensitivity of Wheat-stone's bridge - Carey Foster's bridge, Kelvin's double bridge for measuring low resistance, measurement of high resistance -loss of charge method. Measurement of inductance- Maxwell's bridge, Hay's bridge, Anderson's bridge - Owen's bridge. Measurement of capacitance and loss angle -Desaunty's Bridge - Wien's bridge-Schering Bridge. (Chapter - 4) UNIT - V: Transducers Definition of transducers, Classification of transducers, Advantages of Electrical transducers, Characteristics and choice of transducers; Principle operation of LVDT and capacitor transducers.\u003c\/p\u003e","brand":"Technical Publications","offers":[{"title":"Default Title","offer_id":46993132093732,"sku":"9789333221658","price":190.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3661\/8788\/files\/9789333221658_2.jpg?v=1694686870","url":"https:\/\/bookstation.in\/products\/9789333221658","provider":"BookStation","version":"1.0","type":"link"}