94 ADV200 SP • Quick start up guide - Specification and installation
10.3 Insulation monitor
one of the following types of power supply:
•
• A system (AC) with insulated mains supply
• A multiple power supply system, from insulated AC mains + from insulated DC photovoltaic panels
• A multiple power supply system, from non-insulated AC mains + from insulated DC photovoltaic panels
on the motor side.
and disconnected from power sources).
Nominal system voltage to be monitored ������������ 0 ... 480Vac, 0 ... 800Vdc
Nominal frequency to be monitored ���������������� DC or 50Hz -5% ≤ rf ≤ 60Hz + 5%
Adjustable alarm threshold ���������������������� 1 … 500kOhm (recommended)
Recommended insulation monitor: ����������������� BENDER iso PV425 ISOMETER with AGH420 coupling device
diodes.
10.4 Contactors
10.4.1 DC-side contactors
Rated operating voltage ������������������������� ≥ 800Vdc
Rated pulse voltage ���������������������������� ≥4kV
Utilisation category ���������������������������� DC1
(or higher depending on the value of the L/R time constant of the connection
circuit and the type of utilisation. With utilisation category DC1, L/R < 2ms).
Rated current ��������������������������������� See table in section 10.1
The rated currents of the DC contactors must be greater than or equal to the
minimum values given in the table.
10.4.2 AC-side contactors
Rated operating voltage ≥ 480Vac
Rated pulse voltage ≥4kV
Utilisation category AC3
Rated current See section “9.5.1 AC power supply”, page 72
The rated currents of the AC contactors must be greater than or equal to the
minimum values given in the table.
To Next Page
Loading...
