Example: stock market
Lesson 12: Parallel Transformers and Autotransformers
Lesson 12_et332b.pptx 20 Autotransformer action can be obtained by proper connection of two winding transformer coils N 2 N 1 V HS Load For step-down mode LS 2 HS 1 2 N N N N N LS HS 2 1 2 LS HS V V N N N N N a Where: N1 = number of turns in primary (HV) N2 = number of turns in secondary (LV)
Tags:
Information
Domain:
Source:
Link to this page:
Documents from same domain
Lesson 22: Determining Control Stability Using Bode Plots
www.engr.siu.eduTECHNOLOGY Lesson 22: Determining Control Stability Using Bode Plots 1 lesson22et438a.pptx Learning Objectives 2 lesson22et438a.pptx After this presentation you will be able to: List the control stability criteria for open loop frequency response. Identify the gain and phase margins necessary for a stable control system.
Lesson 11: Transformer Name Plate Data and Connections
www.engr.siu.edu3/2/2018 1 LESSON 11: TRANSFORMER NAME PLATE DATA AND CONNECTIONS ET 332b Ac Motors, Generators and Power Systems 1 Lesson 11_et332b.pptx LEARNING OBJECTIVES
Lesson 11: Transformer Name Plate Data and Connections
www.engr.siu.eduDot Notation - Terminals marked with a dot are considered instantaneously positive A B E AB + - + - N 1 N 2 I 1 I 2 0 degree shift C D Above Terminals A and C are positive at the same time E AB E CD 0 degrees Phasor Diagram TRANSFORMER MARKINGS AND POLARITY Lesson 11_et332b.pptx 4 A B + - E AB I 2 180 degree shift C D + -
Lesson 15: Induction Motor Testing: Lock-Rotor and No-load ...
www.engr.siu.eduLock-rotor No-load DC Test V line = 36.2 V 460.0 V V dc = 12.0 V I line = 58.0 A 32.7 A I dc = 59.0 A P T = 2573.4 W P T = 4664.4 W Example 15-1 Solution (1) Lesson 15_et332b.pptx 10 Convert line voltages, currents and total power to per phase quantities
Lesson 9: Practical Transformer Model and Calculations
www.engr.siu.eduTypical values: 3-5% of rated for large power transformers. Transformer Voltage Drop and Impedance Lesson 9_et332b.pptx 18 Example 9-2: The equivalent resistance and reactance of a 50 kVA, 2400-480 V transformer's windings are R = 2.80 W and X = 6.00 W. (high side). A load of 10 20o is connected to the low voltage side. Determine:
Lesson 14: Transfer Functions of Dc Motors
www.engr.siu.edu10/28/2015 5 EXAMPLE 14-1 SOLUTION (2) 9 x c) Find maximum back emf Answer d) Find no-load motor speed At no-load, T=0. Load torque is zero. T=0 TRANSFER FUNCTION OF ARMATURE- CONTROLLED DC MOTOR 10 x Write all variables as time functions
ELECTRIC CIRCUITS LABORATORY MANUAL - …
www.engr.siu.eduELECTRIC CIRCUITS LABORATORY MANUAL ... not copy or repeat the procedure description from the lab manual. ... 4- Measure the voltage value using the digital ...
CHAPTER 1 THE SAFETY AND HEALTH MANAGER
www.engr.siu.edu2004 Safety Lecture Notes Page 1 CHAPTER 1 THE SAFETY AND HEALTH MANAGER Everyone wants a safe and healthful workplace, but what each person is willing to do to ... committed for named target areas such as construction. Recordkeeping Forms . the safety and health manager.
ELECTRIC CIRCUITS LABORATORY MANUAL
www.engr.siu.eduTardy students may not be allowed to perform the experiment. 2. Laboratory teams: The class will be divided in teams of three or four students. The composition of the teams (which students will team up) is left to the preference of the students, but the lab instructor makes the
CHARACTERISTICS OF PULSE AND SQUARE WAVES
www.engr.siu.eduT ime A m p l i t u d e Definition : Pulse width, t p, is the time difference between the 50% amplitudes of the rising and falling edges. A A/2 t p t 1 t 2 Pulse Characteristics Positive and Negative Pulses Positive pulses increase from baseline voltage T ime A m p l i t u d e V baseline =0 V baseline >0
Related documents
Virtually Anywhere Episodes 1 and 2 - Cambridge English
www.cambridgeenglish.orgIn this lesson, students get to know the main characters in Virtually Anywhereby listening to the first two episodes. As well as listening, there is an extended speaking task in which they predict how the story continues. Aims of the lesson . The main aims: 1. to set the scene for the .