摘要
ABSTRACT
CAD technology is the supply and distribution of another application of computer
technology in the field of elec t rical engin eering. Howev er, supply and dis tribution of
CAD technology is still at the drawing and calculation of phase separation stage, has
not yet formed an integrated CAD system, power supply and distribution system design
is a complex project, which includes requirements analysis, load capacity at all levels
d e t e r m i n a t i o n o f h i g h a n d l o w v o l t a g e p o w e r d i s t r i b u t i o n s y s t e m d e s i g n , s u b s t a t i o n
design, needs analysis calculations and draw a lot of drawing, a huge amount of work.
Aiming at the above case, the analysis of the design principles of 6kV and low
v o l t a g e p o w e r s u p p l y a n d d i s t r i b u t i o n s y s t e m a n d t h e d e s i g n c o n t e n t , f i n d d e s i g n
information, design standards and regulations , various related electrical design manual
f o r v a r i o u s d a t a d e s i g n n e e d s a n d t o s t u d y t h e e l e c t r i c a l g r a p h i c s , s u p p l y a n d
distribution programs , basic mechanism of the intrinsic link between the data and their
r e l a t i o n s h i p s o n t h e t o p o l o g y o f t h e p o w e r s u p p l y s y s t e m d e s c r i p t i o n a n d s t r u c t u r e
identification ; established 6kV and low voltage power distribution transformers once
p a r t o f t h e c i r c u i t , t h e c i r c u i t b r e a k e r , d e s c r i b e t h e m e t h o d s a n d t h e a s s o c i a t e d
k n o w l e d g e r u l e s v o l t a g e a n d c u r r e n t t r a n s f o r m e r s , f u s e s , s w i t c h e s a n d o t h e r m a j o r
equipment components of the object; using object-oriented techniques and technology
i c o n s d e s i g n e d t o e x p r e s s t h e b a s i c c h a r a c t e r i s t i c s o f e l e c t r i c a l e q u i p m e n t p r i m i t i v e s
l i b r a r y p r i m i t i v e s l i b r a r y b r a n c h a n d t e m p l a t e g r a p h i c s l i b r a r y ; c r e a t e d a r e a l i z a t i o n
a n a l y s i s a n d c a l c u l a t i o n , t h e o v e r a l l s t r u c t u r e o f t h e f r a m e w o r k g r a p h i c s , d a t a
pr oc es s i n g i nt eg r a ti on o f a CA D sy st em f or t h e d is tr ib u t io n , c o m p le t i on o f th e l o ad
c a l c u l a t i o n a n d r e a c t i v e p o w e r c o m p e n s a t i o n , t r a n s f o r m e r s e l e c t i o n , t h e m a i n
c o n n e c t i o n i d e n t i f i e d , s e l e c t e d e l e c t r i c a l e q u i p m e n t d e s i g n a n d o t h e r f u n c t i o n a l
modules ; output pattern and to output and print various documents simultaneously.
The system is based on Windows operating platform, using visual programming
l a n g u a g e s A n d G e n e r a l Vi s u a l B a s i c A u t o C A D d r a w i n g s o f t w a r e a s a d e v e l o p m e n t
t o o l , t h e u s e o f e x p e r t s y s t e m s t o s u p p o r t i n t e l l i g e n t t e c h n o l o g y, A c t i v e X s e c o n d a r y
advance AutoCAD technology and database technology, the low voltage power supply
design, data processing and graphics integration. And finally replaced by a mechanical
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