2.2 GST, internal reference capacitor, internal HV (conventional GST )
HV core
HV shell
HV shell
HV
GST I-CN
5-Hz I-UN
GND
2.3 UST, external reference capacitor, internal HV;
HV core
HV
shell
HV
Shell
Core
l
Shell
UST
E-CN
Core
l
5-Hz I-
UN GND
2.4 GST, external reference capacitor, internal HV;
HV shell
HV
shell
HV core
HV
GST
E-CN
Shell
Core
l
5-Hz
I-UN
GND
2.5 UST, internal reference capacitor, external HV:
HV core
HV shell
External HV (max 10kV)
HV
XC Shell
Shell
UST I-CN
Core
l
5-Hz E-
UN
GND
12
