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4 TECHNICAL CHARACTERISTICS
Characteristics
Nominal operating current
Peak Current (10sec)
Analog input adjustable
Droop adjustment for parallel operation
Rectifier gain ratio
Output voltage¹
Field resistance @ 20ºC
Static regulation
Adjustable dynamic response
Operating frequency
Under Frequency protection (U/F)
Sensing Voltage Fault Protection
Internal voltage adjustment
Operating Temperature
EMI suppression
Approximate weight
5 REGULATOR NAMEPLATE
Power Supply
Excitation Voltage
Rated Current
Sensing Voltage
The example above shows the main characteristics to be followed before installation.
NOTE
The identification nameplate is attached to the bottom of the regulator frame.
¹ for an input voltage of 170 Vac, the maximum output voltage obtained is 72 Vdc.
For 300 Vac of input voltage, the output voltage obtained is 135 Vdc, that is, the maximum dc output voltage is equal to 0.45 x the
ac voltage input.
12 l Automatic Voltage Regulator – GRTA-2D
Model
Sensing Input
Power supply
Table 4.1: Technical characteristics
Figure 5.1: Regulator Nameplate
GRTA-2D
7A
10A
±3V or ±5V or ±10V (±15%V
No
160-300 Vac or 320-600 Vac (Vsen)
160-300 Vac (1 or 2)
0,45
72-135 Vdc
6 up to 50Ω
0,5%
8 up to 500ms
50 Hz or 60Hz
Automatic (fixed)
Automatic
Adjustable via trimpot, for the complete range of Voltage
-40° to +60ºC
EMI Filter
285 g ±5%
)
sen
Model
Operating Frequency
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