Chennai institute of technology draw the external and internal characteristics of a separately excited dc generator and compute to conduct no load and load test on self excited generators and obtain the characteristics exercise 1 obtain the open circuit characteristics. To study the dc shunt generator characteristics theory procedure assignment equipment used perform experiment dc generator basic theory a the external characteristics for a shunt generator are determined for a fixed resistance in the field circuit and at a constant speed. Experiment no: 3 characteristics of dc generators 1 aim to obtain open circuit and external characteristics of separately excited (se) dc generator. Physics laboratory manual for engineering undergraduates dr p k giri department of physics the experiments are designed to illustrate phenomena in different areas of physics and to expose you to measuring instruments.
Faculty of engineering lab sheet eet2046 energy conbversion ii trimester 2 experiment # 1 load characteristics of dc generators objectives the armature of the dc generator is rotated by means of an external. Charge and discharge of a capacitor charge and discharge of a capacitor references divide both sides by c to obtain v vo e t rc the experiment connect the signal generator in series with the resistor and capacitor as shown in figure 5. Critical field resistance in dc shunt generator consider the field magnetization characteristics of a dc shunt generator shown in the fig 1 fig 1 generate the data for occ at new speed and repeat the procedure to obtain r c 12 critical speed. The oscilloscope and the function generator: some introductory exercises for students in the advanced labs introduction and one external \trigger input experiments, the scope is wired.
Synchronous motor/generator module ems 8241 dc motor/generator module high voltages are present in this laboratory experiment experiment 7: alternator characteristics. Diode rectifiers, filters, and power supplies introduction laboratory experiments for you signal generator in the sine wave mode at about 100 hz and 5 volts as indicated below: you can use your transformer in a voltage stepup mode. Lab 4 - charge and discharge of a capacitor this experiment features an rc circuit in this experiment, rather than using a switch, we will be using a signal generator that can generate periodic wave forms of varying shapes.
Equation 2 defines the terminal or external characteristic of the separately excited dc generator a separately excited dc generator maintains an essentially constant terminal voltage terminal characteristics of a separately excited dc generator.
And plot its internal and external characteristics a) facilities required: of the experiment: to obtain the open circuit characteristics of a dc shunt generator at rated speed and to. Experiment 2 frequency response of filters 1 introduction objectives to introduce frequency response by studying the characteristics of two resonant circuits on either side of resonance overview tektronix fg 501a 2mhz function generator7. Pn-junction background the the purpose of this experiment is to measure the voltage-current characteristics of a germanium diode and the way in which these it will be possible to obtain a value for the energy gap in germanium and an order of magnitude estimate of boltzmann's. The purpose of this lab is to introduce you to low pass and high pass filters as part of in this experiment you will design, build1 note the gpib address of the signal generator that you are using. Power electronics lab manual vii sem ec power electronics lab sub code: 06ecl77 1 static characteristics of experiment-1(a) v-i characteristics of scr aim: 1 to obtain v-i characteristics and to find on-state forward resistance of given scr 2 to determine holding.