Quantcast Figure 1-38.-Simplified block diagram of a static inverter.
 

Click here to make tpub.com your Home Page

Page Title: Figure 1-38.-Simplified block diagram of a static inverter.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

operated with a controlled 90 phase difference. Pulse
generators, a frequency standard oscillator, a phase vari-
width modulation is used for control of the output volt-
able pulse width generator, two drive subassemblies, a
step change adjustment circuit, and two silicon control
age of each static inverter. The outputs of the two
rectifier power stages.
inverters are fed into two Scott "T''-connected
transformers to provide a 3-phase output from a 2-phase
The power stage assembly contains capacitors,
input.
transformers, and filters associated with the power stage
of the inverters.
The 4345A static inverter is enclosed in an alum-
inum cabinet (fig. 1-37), divided into three sections.
FUNCTIONAL DESCRIPTION
These are the meter panel assembly, the inverter module
assembly, and the power stage assembly. A resistor
A simplified functional block diagram of the model
subassembly is located on the back of the cabinet.
4345A static inverter is shown in figure 1-38. A brief
The meter panel assembly contains the instruments
discussion of the various components and circuits
and controls necessary for the operation of the equip
contained in the unit follows.
ment.
The inverter module assembly contains a control
Oscillator Assembly
circuit +30-volt dc power supply, a drive circuit
+30-volt dc power supply, an input sensing circuit, a
The oscillator (fig. 1-38) consists of a 1600-Hz
synchronizing subassembly, two variable pulse width
tuning fork controlled oscillator and a binary frequency
Figure 1-38.-Simplified block diagram of a static inverter.
1-31

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.
6230 Stone Rd, Unit Q Port Richey, FL 34668

Phone For Parts Inquiries: (727) 493-0744
Google +