Page 16 - Electrician 1st year - TT - Malayalam

(05Hrs.) Electrostatics: Capacitor- Differ-
ent types, functions, grouping
40. Determine direction of induced emf
and current. (03hrs.) and uses. (08 hrs.)
41. Practice on generation of mutually
induced emf. (03hrs.)
42. Measure the resistance, impedance
and determine inductance of choke
coils in different combinations.
(05Hrs.)
43. Identify various types of capacitors,
charging / discharging and testing.
(05 Hrs.)
44. Group the given capacitors to get

the required capacity and voltage Inductive and capacitive reac-
rating. (05 Hrs.) tance, their effect on AC circuit and
45. Measure current, voltage and PF and related vector concepts.
determine the characteristics of RL, Comparison and Advantages of
RC and RLC in AC series circuits. DC and AC systems.
(06Hrs.)
46. Measure the resonance frequency Related terms frequency, Instanta-
in AC series circuit and determine its neous value, R.M.S. value Average
effect on the circuit. (05hrs.) value, Peak factor, form factor,
47. Measure current, voltage and PF and power factor and Impedance etc.
determine the characteristics of RL, Sine wave, phase and phase dif-
RC and RLC in AC parallel circuits. ference.
(06Hrs.) Active and Reactive power.
48. Measure the resonance frequency in
AC parallel circuit and determine its Single Phase and three-phase
effects on the circuit. (05hrs.) system.
49. Measure power, energy for lagging Problems on A.C. circuits. (10 hrs.)
and leading power factors in single
phase circuits and compare charac-
teristic graphically. (06Hrs.)
50. Measure Current, voltage, power, en-
ergy and power factor in three phase
circuits. (05hrs.)
51. Practice improvement of PF by use Advantages of AC poly-phase
of capacitor in three phase circuit. system.
(03Hrs.)
52. Ascertain use of neutral by identifying Concept of three-phase Star and
wires of a 3-phase 4 wire system and Delta connection.
find the phase sequence using phase Line and phase voltage, current
sequence meter. (07Hrs.) and power in a 3 phase circuits
53. Determine effect of broken neutral with balanced and unbalanced
wire in three phase four wire system. load.
(04hrs.)
54. Determine the relationship between
Line and Phase values for star and
delta connections. (07Hrs.)
55. Measure the Power of three phase
circuit for balanced and unbalanced
loads. (10Hrs.)
56. Measure current and voltage of two

(xiv)