NF HVA4321, Инструкция по эксплуатации

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4.2 Operation example in constant current mode (total)
HVA4321
4-15
Figure4-18. Total mode
lamp : Output current of amplifier
lint : Leak current with internal capacity
lout : Output current
lstr : Leak current with wire capacity
lload : Load current
lac, ldc : DC and AC of detected current
Not all current lout from the output terminal is supplied to load. There is leak of lstr with wire capacity.
Actual current to load is lload = lout - lstr.
In total mode, control is made to satisfy set current = lout = lload + lstr.
In total mode, from output current lout, DC is detected with current detection resistance and AC is
detected with current transformer CT. Total output of leak current lstr with wire capacity and load current
lload is given to the current monitor.
(Leak current lint (AC) with stray capacity in the amplifier runs through the current detection resistance,
but only DC is detected here. The monitor is hardly affected.)
内 部 容 量
出 力 端 子
配 線 の 容 量
負 荷 抵 抗
電 流 検 出 抵 抗
電 流 検 出 抵 抗
（ ト ー タ ル 用 ）
（ ロ ー ド 用 ）
電 流 モ ニ タ
OUTPUT Hi
OUTPUT Lo
TOTAL
LOAD
I out
Ii nt
Istr
Il oad
I amp
I ac
I dc
CT
電 圧 モ ニ タ
Output terminal
Load
resistance
Wire capacity
Internal capacity
Current detection
resistance
(for total)
Current monitor
Voltage
monitor
Current detection resistance
(for load)