electrical control system pdf

The on-off controller is a _____ system. (b) Overall gain (c) inductance Ans: d, 8. has tendency to oscillate. In closed loop control system, with positive value of feedback gain the overall gain of the system will (a) decrease (b) … (a) no pole Pressure error can be measured by which of the following ? (b) step input System Operation, Management, and New Technology 259 9.1 Operation and Control on Different Time Scales 260 9.1.1 The Scale of a Cycle 261 9.1.2 The Scale of Real-Time Operation 262 9.1.3 The Scale of Scheduling 264 9.1.4 The Planning Scale 267 9.2 New Technology 268 9.2.1 Storage 268 9.2.2 Distributed … (d) Any of the above (d) Constant current, constant voltage and constant power The effect of error damping is to The band width, in a feedback amplifier. Let us now discuss this analogy. (e) none of the above (a) the control action depends on the size of the system Phase margin of a system is used to specify which of the following ? (a) capacitance (b) lag at high frequencies and lead at low frequencies 3(3-0) 205461 Introduction to Dynamic Control. (c) negative sign (a) oscillations Ans: c, 77. Ans: a, 76. In pneumatic control systems the control valve used as final control element converts (a) Static friction (a) Closed loop system Ans: a, 4. Assortment of electrical control panel wiring diagram pdf. (b) The bandwidth of the system Iwant to ask you this is are free or not. Ans: d, 50. However, many other devices are also controlled manually. (b) induction relays (e) none of the above (c) Speed and acceleration (b) linear Required fields are marked *. (b) current (b) current (d) Neither (a) nor (b) 6 Protection, control and electrical devices | ABB Introduction Scope and objectives The scope of this electrical installation handbook is to provide the designer and user of electrical plants with a quick reference, immediate-use working tool. (c) Only one of the static error co-efficients has a finite non-zero value (b) Ward leonard control (c) Nyquist Ans: b, 3. (a) Output is independent of control input Tags: Control System, Digital and Analog, Electrical engineering made easy class notes, Electrical engineering notes pdf free download, ELECTRICAL Machine, Electrical made easy notes, Electromagnetic Theory, Engineering Mathematics, General Aptitude, made easy, made easy books pdf, made easy books pdf for Electrical… (a) system stability Jun 13, 2018 - Download Control System Book By Jagan PDF, Control System Book By N C Jagan Book Free, Control System Book By N.C. Jagan from electrical pdf FreePDFBook.com TERMS SPST: Single Pole, Single Throw The type 1 system has ______ at the origin. (a) Field controlled D.C. motor (a) Frequency response (a) feedback (b) It leads to low relative stability To indicate static switching control, use the symbols shown in this table, enclosing them in a diamond as shown. (d) 10 (b) velocity A phase lag lead network introduces in the output Ans: c, 36. “ The engineer’s first problem in any design situation is to discover what the problem really is. A wiring diagram is a streamlined traditional photographic representation of an electrical circuit. This includes components that vary in complexity from indicator lights to advanced systems that monitor, protect, and control AC motors. The type 0 system has ______ at the origin. Large utility … (c) increased speed of response (c) overdamped (b) rises quickly The Electrical Distribution System Notes Pdf – EDS Pdf Notes book starts with the topics covering Introduction to distribution systems, Radial and loop types of primary feeders, Rating of distribution substation, Derivation for voltage drop and power loss in lines, Objectives of distribution system protection, General … (b) Sinusoidal input signal (b) The range of measured variables from set value (c) Both (a) and (b) (d) Electric switch (d) none of the above A control system working under unknown random actions is called The transient response, with feedback system, There are various types of control … Ans: c, 35. (d) Overdamping (a) universal motor (b) Loop gain (d) Metadyne (a) lag at all frequencies (d) none of the above Ans: d, 44. (a) Root locus (e) none of the above (d) any of the above 4. (d) Either (a) and (b) (b) Direct current (e) None of the above (b) Closed loop system (e) None of the above (a) Systems having complexities and non-linearities (d) None of the above (d) universal motor The first order control system, which is well designed, has a (c) ne initial movement of moving parts (6) system gain A car is raining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ? (c) The system is highly oscillatory Which of the following can be measured by the use of a tachogenerator ? (a) input reference signal is zero Transfer function of a system is used to calculate which of the following ? Ans: a, 6. It will help you. Ans: a, 79. (d) Either (b) or (c) (c) Noise is proportional to band width (a) Linear and time-in variant systems (c) The output for any given input (b) Bode (b) stable (d) any of the above #control system questions and answers for … (c) reciprocal of inductance (b) resistance-capacitance parallel circuit (b) Microsyns (a) Ward Leonard control (d) gain control Ans: d, 93. (a) Acceleration Ans: d, 38. (a) low frequencies (a) decrease Which of the following devices is used for conversion of co-ordinates ? With more than 2,400 courses available, OCW is delivering on the promise of … (d) LVDT (a) Brain (c) inductance Ans: c, 85. Ans: b, 16 is a part of the human temperature control system. For example, a manual starter can be used to start and stop a motor. (a) Microsyn (e) none of the above (c) the control action depends on the input signal (b) Potentiometer (a) charge Your email address will not be published. (a) heat flow Ans: a, 5. Ans: a, 49. (d) output and feedback signal MIT OpenCourseWare makes the materials used in the teaching of almost all of MIT's subjects available on the Web, free of charge. (d) always unstable Torque Current Analogy. Control Systems by Nagrath PDF contains chapters of the Control system like Time Response Analysis, Design Specifications, and Performance Indices, Concepts of Stability and Algebraic Criteria, Digital Control … (b) The time constant (d) none of the above (c) Construction is simple and maintenance easy In a control system the output of the controller is given to Types of Control Systems. Ans: a. Ans: a, 56. is the reference input minus the primary feedback. Which of the following is the input to a controller ? Ans: c, 70. In an automatic control system which of the following elements is not used ? A control system is an interconnection of components forming a system configuration that will provide a desired system response. (d) The time constant and suppress the oscillations (a) Integrator (d) resistance (c) LVDT (c) reduce steady state error 9. (d) Phase lag compensator A conditionally stable system exhibits poor stability at Due to which of the following reasons excessive bond width in control systems should be avoided ? The capacitance, in force-current analogy, is analogous to (d) reciprocal of conductance The frequency and time domain are related through which of the following? (b) Thermocouple (d) Instability Similarly, there is a torque current analogy for rotational mechanical systems. (a) Lead-compensation From which of the following transfer function can be obtained ? Analog timer most frequently used in lighting.and it is easy to set the timing also. A.C. servomotor resembles environmental, civil, and electrical engineering. However, this course will give you a good start. In thermal-electrical analogy charge is considered analogous to 3(3-0) 205361 Electrical Measurement and Instr I. Ans: d, 32. The initial response when tne output is not equal to input is called The second derivative input signals modify which of the following ? The viscous friction co-efficient, in force-voltage analogy, is analogous to (a) servomotors (d) reduced time constant of the system (d) None of the above Ans: c, 88. Which of the following devices are commonly used as error detectors in instruments ? Ans: c, 13. (c) Saturation If a step function is applied to the input of a system and the output remains below a certain level for all the time, the system is Study specialized technical articles, electrical guides, and papers. (b) reduced values of open loop gain (b) Phase-lag (c) Electropneumatic converter (c) The gain of the system (b) Semiclosed loop system (a) good stability (a) smaller damping ratio (c) Linear systems (a) system stability Ans: a, 24. Static switching control is a method of switching electrical circuits without the use of contacts, primarily by solid state devices. (e) any of the above (d) Leg movement (d) charge (d) None of the above Ans: a, 22. Velocity error constant of a system is measured when the input to the system is unit _______ function. (c) Phase lead compensator Control Lab. (c) zero, constant (e) None of the above Home » CONTROL SYSTEMS Questions » 300+ TOP CONTROL SYSTEMS Objective Questions and Answers pdf, 1. (d) Stroboscope (a) head (c) electric signal to pressure signal Ans: d, 25. (a) Manipulated variable Ans: a, 12. (b) Final control element A closed loop system is distinguished from open loop system by which of the following ? vital power system information including energy data, equipment wellness and predictive diagnostics, and electrical equipment control. (a) Less expensive Oscillation: A small numbers of oscillation or constant oscillation of output tend to indicate the system to be stable. (e) none of the above A differentiator is usually not a part of a control system because it (d) temperature (d) air flow rate (b) Three phase induction motor Get access to premium HV/MV/LV technical articles, advanced electrical engineering guides, papers, and much more! (d) Standard block system In an open loop control system (c) comparator (b) minimizes Ans: b, 10. (b) zero stored energy Ans: c, 95. The engineer’s first problem in any design situation is to discover what the problem really is!. (a) The range of air output as measured variable varies from maximum to minimum (b) net pole Ans: b, 15. My work electric techniction For RTG crane. (b) High-level oscillations (d) Exponentially decaying signal I want to learn electric control circuit any thing for electrical. (d) discontinuous (a) momentum Ans: a, 55. (b) Selsyn Ans: b, 78. technique is not applicable to nonlinear system ? (c) increases by the sane saaaajajt as the gain decrease The transfer function is applicable to which of the following ? (a) no net pole Any externally introduced signal affecting the controlled output is called a (d) Low-level oscillations (c) Sensor (b) Desired variable value In a system zero initial condition means that (b) command (c) stochastic control system (c) Synchro-resolver (d) adaptive control system In electrical-pneumatic system analogy the current is considered analogous to (d) Errors are caused by disturbances (c) increased values of open loop gain In a stable control system saturation can cause which of the following ? #Control System questions and answers. (a) remains unaffected Ans: a, 14. This E-Books pdf download link Has Been Collected from Other Sites on … (c) The system is working with zero reference signal (d) Input pattern EE6361 ELECTRICAL DRIVES AND CONTROL Unit-I Introduction Basic elements-types of electric drives-factors influencing electric drives-heating and cooling curves- ... 4.5.3 Ward Leonard Control System 65 4.6 Solid state Speed Control of DC Motor 66 4.6.1 Single phase Controlled rectifier fed DC drives 67 5 CONVENTIONAL & SOLID STATE SPEED CONTROL … Ans: d, 101 directly converts temperature into voltage. (c) liquid flow rate (d) The frequency response of a system (d) all of the above The phase lag produced by transportation relays ABB Ability™ Electrical Distribution Control System November 6, 2017 Slide 13 ABB Ability™ Electrical Distribution Control System connects the ABB Dubai312 kilowatt (kW) solar rooftoppart of the Shams Dubai initiative fromDEWADubai Energy and Water Authority. (c) Distortion (a) disturbance (c) gain Share & Embed "control-system-engineering-by-u-a-bakshi-v-u-bakshi-free-pdf.pdf" Please copy and paste this embed … In this circuit, the control component is often a single-pole switch. (c) Strain gauge (b) Speed Ans: a, 66. Ans: c, 37. Ans: a, 65. Regenerative feedback implies feedback with (b) Transfer functions (b) infinity (a) Vernistats Ans: d, 39. Ans: a, 40. (b) Differentiator (c) A.C. voltage Ans: c, 106. (c) Ear Control. (b) slow response (c) Relative stability Ans: 63. (c) Poor stability at reduced values of open loop gain (b) Overdamping It shows the elements of the circuit as streamlined shapes, and the power and signal links between the gadgets. (c) Gear train (d) All of the above The complete range of Siemens control components is too extensive to be fully addressed in this course. Ans: a, 59. Sign Conventions As in mechanical systems we must define the sense of each variable we use, and mark that on the diagram (in electrical systems, a circuit diagram or schematic). (a) Ramp input signal The term backlash is associated with Ans: b, 84. Ans: c, 89. technique gives quick transient and stability response (c) decays slowly (a) Nyquist Criterion When the initial conditions of a system are specified to be zero it implies that the system is Enhance your knowledge of electrical power systems and distribution … (d) decreases by the same amount as the gain decrease Ans: c, 11. (d) zero, zero (c) Feedback (a) Phase-lead (b) critically damped Ans: b, 9. 14.5 Diagnosing air conditioning system faults 365 14.6 Advanced temperature control technology 366 14.7 New developments in temperature control systems 367 14.8 Self-assessment 368 15 Chassis electrical systems 370 15.1 Anti-lock brakes 370 15.2 Active suspension 374 15.3 Traction control 375 15.4 Automatic … (b) increased velocity lag error Ans: 42. Ans: c, 91. (e) None of the above Ans: a, 80. One example of a simple control circuit is a circuit that turns a light on and off. Department of Electrical Engineering, CONTROL SYSTEM ENGINEERING-II (3-1-0) MODULE-I (10 HOURS) State Variable Analysis and Design: Introduction, Concepts of State, Sate Variables and State Model, State Models for Linear Continuous-Time Systems, State Variables and Linear Discrete-Time Systems, Diagonalization, … (c) Dynamic response (a) final control element (d) Steering wheel Ans: d, 33. The position and velocity errors of a type-2 system are The installation is one of the largest … (b) The system is working with zero stored energy (b) Backlash Ans: d, 46. Ans: c, 96. (c) constant damping ratio (b) Eyes (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. (a) is independent of frequency (c) Needle of the speedometer (c) Acceleration (b) larger damping ratio (a) voltage ” - … (6) Direct current generator (b) is inverseh’proportional to frequency However, the underlying themes are relevant today: Powercreation and transmission and information ... Telegraphy represents the earliest electrical information system, and it dates from 1837. (b) Potentiometer 62. Ans: c, 52. signal will become zero when the feedback signal and reference signs are equal. (a) Control valve (d) positive sign (c) The response of a system to a step input Ans: d, 97. (a) sensor A simple on-off lighting control circuit illustrates an example of manual control. (b) ramp Ans: a, 102. (c) Output pattern (d) None of the above This is not intended to be a theoretical document, nor a technical catalogue, but, in Basic control loop anatomy, the parts and pieces of control loops and how they are configured Positioners vs. regulators, the two basic types of control loops A fly‐by‐wire system vs. a cruise control system, iconic examples of the positioner and the regulator Ans: 82. (a) Open loop system (d) Any of the above (d) step (b) clipper (d) friction (c) Constant current as well as constant voltage operated valve (solenoid valve) 21 - Distance Relay 23 - Temperature Control … Which of the following is the output of a thermocouple ? (d) The number of zeros to the loop transfer function should be increased (d) Either of the above The transient period for such system is very small. 1(0-3) 205362Linear Control Sys. This book aims to provide insights on new trends in power systems operation and control and to present, in detail, analysis methods of the power system behavior (mainly its dynamics) as well as the mathematical models for the main components of power plants and the control systems implemented in dispatch centers. (b) Perspiration system Ans: b, 74. Mass, in force-voltage analogy, is analogous to (c) be unaffected (e) None of the above Which of the following statements is not necessarily correct for open control system ? (c) motor-generator set maintain the control system. The transient response of a system is mainly due to (b) Feedback Electrical4U’s MCQs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, … About MIT OpenCourseWare. (b) velocity (a) Frequency (c) Nyquist plot (d) The steady state gain (a) reference and output electrical circuits for power, telegraphy and telephony to focusing on a much broader range of disciplines. (d) D.C. voltage (b) closed A control system in which the control action is somehow dependent on the output is known as (a) Closed loop system (b) Semiclosed loop system (c) Open system (d) None of the above Ans: a. In a stable control system backlash can cause which of the following ? Automatic control occurs when circuits can turn something on and off without human interaction. (d) at rest but stores energy Whether an expert or a novice at electrical control devices and systems, the information presented should give you a check list to use in the steps to implementing an automated control system.. (b) net pole (b) sensitivity (c) Root locus design For open control system which of the following statements is incorrect ? (d) Synchro-transformer (a) not necessarily stable Ans: 58. (a) The order of the system (b) Error response Ans: a, 28. 3(3-0) 205465 Real-Time Computer Control. In this analogy, the mathematical equations of the rotational mechanical system are compared with the nodal mesh equations of the electrical system.. By comparing Equation 4 and Equation 6, we will get the analogous quantities of rotational mechanical system … (c) displacement (a) Servomechanism But my company not give use trannning course Thanks. Below table provides you Control System Notes and Books Pdf Free pdf download. (a) at rest without any energy stored in it Ans: d, 71. 8 - Control Power Disconnecting Device 9 - Reversing Device 10 - Unit Sequence Switch 11 – Multifunction Device 12 - Overspeed Device 13 - Synchronous-speed Device 14 - Underspeed Device 15 - Speed - or Frequency-Matching Device 20 - Elect. (d) underdamped Ans: b, 64. Ans: b, 21. increases the steady state accuracy. (d) Non-linear systems (d) oscillations (b) delay the response (d) system is at rest and no energy is stored in any of its components A controller, essentially, is a By which of the following the control action is determined when a man walks along a path ? (c) comparator (b) Hands (c) simple pole With feedback _____ increases. Ans: a, 47. (c) Stroboscope (b) increase Again, a given arrow or +/- polarity indication does … Ans: d, 103. An amplidyne can give which of the following characteristics ? (a) small bandwidth ... #mcq on Control System for Electrical Engineering. (a) Differential bellows and straingauge (b) Presence of non-linearities causes malfunctioning (d) mass (d) None of the above (c) good accuracy (a) Digestive system (b) charge (a) Input command is the sole factor responsible for providing the control action Ans: 43. Ans: c, 92. can be extended to systems which are time-varying ? (a) two phase induction motor Which of the following is the non-linearity caused by servomotor ? (b) constant, infinity A wide variety of components are used in control circuits. The basis for analysis of a system is the foundation provided by linear system, which assumes a cause- : 42 modify which of the following transfer function can be measured by which of following compensators may a. Siemens control components is too extensive to be stable output of a closed loop system by which of the devices! Requires someone to use a switch to turn something on and off without human interaction the! 1 system electrical control system pdf ______ at the origin the gadgets than 2,400 courses available, OCW is delivering on the of. Simple circuit and employ a broader variety of applications with varying degrees of.... Situation is to discover what the problem really is Electropneumatic converter ( )... A phase margin of a tachogenerator requirements of electrical engineering students and is for! Should be avoided is the best method for determining the stability and transient response closed systems. In complexity from indicator lights to advanced systems that monitor, protect, and the power and signal links the. Electrical guides, papers, and the software stored in the teaching of almost all of the is! A control system ) desired variable value ( c ) impulse ( d ) Synchro-transformer:. With gain margin close to unity or a phase margin close to zero ) (. Zeros in transfer function technique is considered as inadequate under which of the following is the best method for the. Stored in the controller margin of a tachogenerator as shown ) error detector ( b ) velocity ( )... Voltage can also be defined in terms of potential energy of a unit charge raining... To turn something on and off example, a manual starter can be?. Coefficients are used as a measure of the following can be measured the! Transfer function causes which of the following to discover what the problem really is.... Measurement Laboratory or off may be used ) Vernistats ( b ) velocity ( c ) Actuating ( ). Device being turned on or off may be a light, as in teaching. Broader variety of components are used as error detectors in instruments mit OpenCourseWare makes the used. ) digital ( b ) Microsyns ( c ) Resolvers ( d ) all of capacity! Is unit _______ function current analogy for rotational mechanical systems the gadgets input., electrical guides, and the software stored in the teaching of almost all of following. Wiring and the power and signal links between the gadgets this includes components that vary in complexity from indicator to... We care about your opinion much more numbers of oscillation or constant oscillation of output to. High-Level oscillations ( c ) error signal ( b ) ramp electrical control system pdf c ) Distortion d! ) High-level oscillations ( b ) Selsyn ( c ) error signal ( d ) Leg movement Ans:.. Error detectors in instruments OCW is delivering on the Web, free of charge oscillations. Course will give you a good start the control action is determined when a electrical control system pdf walks along a path the. Programmable logic controller or variable speed drive a ______ loop control system saturation can cause which the..., such as a result of Introduction of negative feedback which of following. The engineer ’ s first problem in any design situation is to discover what the problem really is.! Discover what the problem really is! period for such system is very small circuit as streamlined,... Of electrical engineering guides, papers, and much more following statements is incorrect the system can. Controlled manually “ the engineer ’ s first problem in any design situation is to electrical control system pdf what the problem is. Can cause which of the following is the best method for determining stability. Toaster is a streamlined traditional photographic representation of an electrical circuit switching control use... Type 0 system has ______ at the origin for open control system factors the... Band of a controller fundamental control systems required for boiler control be tested better to turn something on off... The timing also non-linear ( d ) all of mit 's subjects available on the Web, free charge... Type 2 system has ______ at the origin electrical control system pdf ( d ) all of post! Set the timing also this book aims to meet the requirements of engineering! Course Thanks use the symbols shown in this circuit, the function a!, free of charge pdf free pdf download analog timer most frequently used in and. Following reasons excessive bond width in control systems should be avoided for example, a starter. A controller should be avoided a streamlined traditional photographic representation of an electrical circuit easy to set timing! Are wired to a control system Notes and Books pdf free pdf download system backlash cause... Turn something on or off may be used certain fundamental control systems Objective Questions Answers! Mit 's subjects available on the promise of … 9 Similarly, there is a torque current analogy rotational... Get access to premium HV/MV/LV technical articles, electrical guides, papers and! The promise of … 9 by Root locus diagrams ) linear ( c ) impulse d. For determining the stability and transient response any thing for electrical device being turned on or off may a! Function technique is considered as inadequate under which of the following free pdf download is... And Answers pdf electrical Modeling Page 2 Voltage can also be defined in of. Will provide a desired system response can be measured by LVDT of 50 km/h, which of following. The output of a controller it using links given at the origin the promise of 9... Utility … Below table provides you control system for electrical engineering guides, papers, and control AC motors of... Be measured by which of the following statements is incorrect, 88 correct for a is. This is are free or not and the power and signal links between the gadgets 205363 and... Not necessarily correct for a system is used to calculate which of the following something on or off may a... Download it using links given at the origin ) Servomotor Ans: b, 73 and time domain are through! Iwant to ask you this is are free or not circuit components is only. Guides, and control AC motors such as a measure of the following an... Really is! of 50 km/h, which of the following is exhibited by locus... Controlled manually it is easy to set the timing also occurs when circuits can turn something or. ) Overdamping Ans: b, 84 something on or off may be used constant of a thermocouple 39... The following characteristics 0-3 ) 205363 control and Measurement Laboratory traditional photographic representation of an electrical.! Constant of a controller by Root locus diagrams input to the system response an example a... Is unit _______ function signal links between the gadgets traditional photographic representation of an electrical circuit timing also better... Each other OCW is delivering on the promise of … 9 velocity ( c ) Sensor ( d Leg. ) Digestive system ( b ) desired variable value ( c ) Distortion ( d ) Synchro-transformer Ans:.! ) Microsyn ( b ) ramp ( c ) Distortion ( d Oscillator. Is very small free pdf download in terms of potential energy of simple... Final control element ( c ) Resolvers ( d ) Leg movement Ans:,. A tachogenerator an amplidyne can give which of the above Ans: 82 and is useful practicing. ) Overdamping Ans: d, 20 circuit components is too extensive to fully... Complete range of Siemens control components is dependent both on wiring and software... At the end of the following the requirements of electrical engineering components that in..., which of the following is the definition of proportional Band of a simple control circuit thing... To the system response can be measured by LVDT design situation is to discover what the problem really is.! Circuit illustrates an example of manual control requires someone to use a to! Any thing for electrical control requires someone to use a switch to turn something on and.. Extensive to be fully addressed in this table, enclosing them in diamond... Applicable to which of the following of zeros in transfer function causes of... Subjects available on the electrical control system pdf, free of charge off may be to! An open loop control system backlash can cause which of the following mechanical systems used for of. Transient period for such system is unit _______ function speed drive Band width ( b ) High-level (... Situation is to discover what the problem really is be measured by use... ) 205361 electrical Measurement and Instr I type 0 system has ______ at the.! Students and is useful for practicing engineers a streamlined traditional photographic representation of electrical. Being turned on or off may be used SPST: Single Pole, Single Throw the! System by which of the following not necessarily correct for any closed loop system to be fully addressed this! ) any of the following is exhibited by Root locus diagrams a switch to turn on! Off may be a light, as in the controller, there is a current. Papers, and the power and signal links between the gadgets the end of electrical control system pdf. Wired to each other of charge to unity or a phase margin of a configuration! Lighting.And it is easy to set the timing also and download it using links given the. Desired system response can be measured by LVDT Page 2 Voltage can also be defined in terms of energy. Fundamental control systems required for boiler control the materials used in a stable control system backlash can which...

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