S No
|
Day
|
Description
|
Duration
|
Tips
Practical
|
Class
|
1
|
Day1
|
PRE TEST |
15 mts
|
|
|
|
|
UPS - Introuction
Difference between UPS & Inverter Basic working principle of UPS
(i)When the AC main supply is available
(ii)When the AC main supply is not available.
(iii)Automation Section.
Types of UPS
(1)Online UPS . (2)Off line UPS.
Various types Components used in the UPS
1.Relay/Transformer/Battery/Fuse/fuse holder switches/sockets/panel indicater
(LED/Neon Lamp)/meter(volt/Ampere)/Transister/Mospet/Ics.
|
1.15 hrs
|
T
|
|
2
|
Day2
|
Switching Transisters &Mospets
Advantages of electronic switch/Transister as switch/Bi polar Transister vs Mospet/comparator/AC Voltage level sensor
Relays;-
1.Solenoid/ Relay/ Constructions of Relay,Relay in circuit/ single ,double& triple pole Relays
|
1.30 hrs
|
T
|
|
3
|
Day3
|
PRACTICAL
|
1.30 hrs
|
P
|
|
4
|
Day4
|
Transformer :- Types of Transformer
1.Step down transformer, 2.Step-up Transformer, 3.Auto transformer
Transfomer Ratings(watts/volt/Ampere)
(1) Applying DC to Transformer (2) Parts Transformer Coil/ Former/ Bobbin/ Core
|
1.30 hrs
|
T
|
|
5
|
Day5
|
PRACTICAL
|
1.30 hrs
|
P
|
|
6
|
Day6
|
BATTERY:-Rechargeable Battery--Primary Battery
Secondary Battery / Cell & Batteries / Rechargeable Battery Wet lead - Acid Battery / Dry lead - Acid Battery or Maintanance Free Battery.
Types of Battery Charger :-
(a) Charger using SCR (b) Charging using L 200. (c) Charging using LM317 (d) Trickle charging (e) Diode using charger CHECKING BATTRY VOLTAGE
|
1.30 hrs
|
T
|
|
7
|
Day7
|
Practical for the previous day
|
1.30 hrs
|
P
|
|
8
|
Day8
|
ICs in the UPS Circuit
(1) LM 324N--Operational Amplifier(op-Amp) What is an OP- Amp
(2) KA3524 / SG3624 --PWM Controller&Oscilater
(3) CD4073--AND Gate (4) NE555 Timer ( 5) 4N35-Opto Coupler
(4)LM7812--12 Voltage Regulater (7) CM 317 Adj Regulater
|
1.30 hrs
|
T
|
|
9
|
Day9
|
500VA / 12V UPS Circuit Black Diagram & its Sections
1.Oscillator,PWM controller& Out Put Section
2.What is PWM,how does this function working of PWM
3.Automatic Voltage Regulator (AVR) Section
4.Low Voltage cut Section.5. High Voltage cut Section
6. Charging Section . 7. Chargeover Section
|
1.30 hrs
|
T
|
|
10
|
Day10
|
Practical for the previous day
|
1.30 hrs
|
P
|
|
11
|
Day11
|
500VA / 12V UPS Circuit Description and working principle
1. Oscilator section & its working principle
2. Circuit Description
3. Mospet Drive section :- .Circuit description & its working principle
4.Out put Section :- Circuit Description & working principle
PWM (Pulse With Modulation)
5.Safty Section:-Circuit Description / working principle & 5V Regulater Supply
6.AVR Section : -
1st- AVR Circuits and its working principle
2nd- AVR Circuits and its working principle
|
1.30 hrs
|
T
|
|
12
|
Day12
|
Practical for the previous day
|
1.30 hrs
|
P
|
|
13
|
Day13
|
Voltage cut off Section :-
(1) Low voltage cut off Section / working principle
(2) High voltage cut off Section. / working principle
(3)Charging Section / working principle
(4) AC Mains ON / Charging indcator LED .
(5)Supply to AVR Section / Regulator power supply section
(6)Chargeover Section and its working principle
(7)No Load Shutdown Section
|
1.30 hrs
|
T
|
|
14
|
Day14
|
Practical
|
1.30 hrs
|
P
|
|
15
|
Day15
|
BATTERY SECTION
(1) Low Battery Shutdown Circuit and its working principle
(2)Overload Shutdown Section
(3)Overload circuit / working principle
|
1.30 hrs
|
T
|
|
16
|
Day16
|
Practical for the previous day
|
1.30 hrs
|
P
|
|
17
|
Day17
|
625VA / 24V OFF--LINE UPS
UPS Description /Ics- Used /Battery Back Up /Out put power main functions
Ics used in this USP :-- SG3524 / LM339 / LM324 / LM73 /CD4011 /555 .
CONVERTING 500VA / 12V UPS to 625VA /24V & 1250 VA / 24A UPS
1 Primary winding / 2. Secondary winding
3 Charging winding / 4. Transformer weight of wire
|
1.30 hrs
|
T
|
|
18
|
Day18
|
Practical
|
1.30 hrs
|
P
|
|
19
|
Day19
|
Introduction & Installation of a common 625VA ups
1. Introduction 2 Front panel / " Replace battery" Indicator {Red led}
"Back up"--indicator {Yellow led} , "Line normal" --indicator {Green led}
"On/off/test/silence" button.
2. Rear panel
Computer interface
Insulation/Placement/Connect computer interface/ Connect to main power supply/ Change the battery/Connect the loads/Connact the telephone/ Modem lines
IImpt :- {425Ap/525Ap/625Ap Models only}
|
1.30 hrs
|
|
|
20
|
Day20
|
Common Faults and Troubleshootings
Troubleshootings from all sections & Doubt clearing
|
1.30 hrs
|
P
|
|
21
|
Day21
|
Final Exam
|
Exam
|
|
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