Presentation is loading. Please wait.

Presentation is loading. Please wait.

الاسبوع الحادي والعشرون تطبيقات المبدلات Inverter Application تطبيقات المبدلات Inverter Application.

Similar presentations


Presentation on theme: "الاسبوع الحادي والعشرون تطبيقات المبدلات Inverter Application تطبيقات المبدلات Inverter Application."— Presentation transcript:

1

2 الاسبوع الحادي والعشرون تطبيقات المبدلات Inverter Application تطبيقات المبدلات Inverter Application

3

4

5 Study the following :  Inverter application.  Emergency power supply  Single phase motor speed control Study the following :  Inverter application.  Emergency power supply  Single phase motor speed control

6

7 Comparator Amp. Trigger cct. M TGTG Feed back loop IfIf Potential

8

9

10 1-Uninterruptible power supplies

11

12 Switch ON or OFF Switch ON or OFF Loads Main feeder converter invertor Battery

13 Static UPS system are two types : 1.short-break UPS. Fig ( 2 ) Batteries Rectifier ac-dc Inverter dc-ac Filter Main ac supply Critical load Static transfer switch Normally off Power flow Normally “OFF” Normally “ON”

14 2-No-break UPS Fig (3 ) Batteries Rectifier ac-dc Inverter dc-ac Filter Main ac supply Critical load Static transfer switch Normally on Power flow Normally “ON” Normally “OFF”

15 3-rotating – type UPS system based on dc motor /alternator set. Fig 4: rotating – type UPS system based on dc motor /alternator set. DC M UPS to critical loads Alternator Diesel engine Flywheel Rectifier 3-phase supply mains Battery Bank

16

17 Variable speed motor drives * DC drives ▹ Power supply for DC motor ▹ Usually controlled rectifier to convert constant AC to variable DC *AC drives ▹ Power supply for AC motor ▹ Mostly for induction motors, but can be used with synchronous motors ▹ Fixed AC →DC (fixed or variable) →Variable frequency and voltage AC 2- Electrical Drive

18 M IfIf Ia V

19 ComparatorAmp. Trigger cct. M TGTG Feed back loop IfIf Potential

20 Variable Speed AC Drive  VVVF control of induction motor 3-phase rectifier 415V 3- phase rectifier 600V DC Link AC motor

21 Three-phase inverter for speed control (by using PWM METHODS )

22 Three phase inverter

23 Waveforms of voltages

24

25 Key answer Switch ON or OFF Switch ON or OFF Loads Main feeder converter invertor Battery

26


Download ppt "الاسبوع الحادي والعشرون تطبيقات المبدلات Inverter Application تطبيقات المبدلات Inverter Application."

Similar presentations


Ads by Google