(17) F r e q u e n c y Met er
(18) AC A m m e t e r
T h i s m e t e r i n d i c a t e s the p o w e r f r e q u e n c y .
M a k e s u r e that the m e t e r p o i n t e r s t a n d s
at 50 or 6 0 H z d u r i n g o p e r a t i o n .
The a m m e t e r i n d i c a t e s the v a l u e of c u r r
ent f l o w i n g in the load c o n n e c t e d . M a k e
s u r e that the c u r r e n t v a l u e is b e l o w that
rated. Use the a m m e t e r c h a n g e - o v e r s w i t c h
to c h e c k e a c h p h a s e for c u r r e n t Ya l u e .
(19) AC V o l t m e t e r
The v o l t m e t e r i n d i c a t e s the o u t p u t v o l t
age. M a k e s u r e that the v o l t m e t e r p o i n t e r
s t a n d s at the r a t e d v o l t a g e .
Use the
v o l t m e t e r c h a n g e - o v e r s w i t c h to c h e c k
e a c h p h a s e for v o l t a g e value.
... i' ' ■
\
V
'
- o -
® 0 ®
(20) V o l t a g e R e g u l a t o r
T h i s r e g u l a t o r is u s e d to c o n t r o l the
o u t p u t v o l t a g e .
T u r n the r e g u l a t o r
c l o c k w i s e to i n c r e a s e the v o l t a g e and
c o u n t e r - c l o c k w i s e to d e c r e a s e it.
A d j u s t the v o l t a g e to the r a t e d v o l t a g e
with this r e g u 1 a t o r .
(21) Air C i r c u i t B r e a k e r
R e f e r to the item 3-2
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