Kikusui tos6200, Operation Manual

Page: 145 / 157

TOS 6200/6210 A -1
A
ppendix
A ppendix
Expl a ins b a sic t es t e r p r inciples; p ro vides a ta ble f or A SC II c o des 20 H to 7 EH a nd
exce r p t s f ro m v ar i ou s e art h c o n t in u i t y t es t s a fe t y s ta nd ar ds .
A . 1 O perational P rinciple
T able A -1 Block Diagram
( 1 ) S ine-wave generator circuit
Gene rat es a r efe r ence sine w a ve o f 50 or 6 0 Hz , c o n tro lled a cc or din g to out p ut v o l t-
ag e .
( 2 ) P ower amplifier circuit
Po we r-a mplifies t he r efe r ence sine w a ve in r esp o nse to out p ut.
This c o mp a c t, li g h t wei g h t P WM sine - w a ve inve rt e r is c a p a ble o f a m a xim u m out-
p ut o f 150 V A (TOS6 200 )/ 220 V A (TOS6 210 ) , a chievin g a p o we r c o nve r si o n effi -
ciency o f 9 0 % .
(3) O utput transformer
This s t ep - d o wn tra nsf or me r g ene rat es a rat ed out p ut o f 6 V/ 25 A (TOS6 200 )/6 V ,
4 0A (TOS6 210 ) , f or which t he sec o nd ar y side is a pp ro xim at ely 6 V when t he p r i -
m ar y side is 30 V .
(1) Sine-wave
generator circuit
(2) Power
amplifier circuit
(3) Output transformer
(4) Current
transformer
(5) Output current
control circuit
(6) Output voltage
control circuit
(7) CPU circuit
KEY ROTARY KNOB BUZZER LED LCD GPIB RS-232C SIGNAL I/O REMOTE
H I GH
LOW
2.2 k