Original R731 Three Phase Sensing Module
- Productivity:
- 100sets/Month
- Place of Origin:
- UK
- Supply Ability:
- 100sets/Month
Basic Info
Model No.: R731
Product Description
Model NO.: R731 Usage: Common Units Cooling
Method: Water Cooling Generator
Type: Diesel Generator Trademark: Leroy sommer Origin: UK Conditions
of Use: Land Use Output Type: AC Three Phase Installation
Method: Fixed Delivery Time: 3days Specification: original Original R731 three phase sensing module
1 - DESCRIPTION
The R 731 optional three phase sensing modul is designed to
be used with the R438, R448, R449 single phase sensing
voltage regulators.
2 - CHARACTERISTICS
2.1 - voltage sensing
The voltage sensing is done with three 2VA single phase
transformers.
Input voltage :
- High voltage tap (400V) :
340V-5% to 480V=5%
- Medium voltage tap (230V) :
200V-5% to 240V+5%
- Low voltage tap (110V) :
90V-5% to 140V+5%
Internal voltage rheostat :
The voltage can be adjusted using the internal rheostat P1.
This rheostat is designed to provide +/-5% adjustment from
any voltage within the above voltage ranges.
Remote voltage rheostat :
If required, remove the ST10 jumper in order to connect a
remote voltage rheostat.
A 470 Ohms - 3W rheostat can be used for a +/-5% voltage
adjustment range or a 1k Ohms - 3W rheostat for a +/-10%
voltage range.
An ST1 jumper was included on older R731 modules to
increase the voltage adjustment range but was discontinued.
2.2 - voltage droop
Current sensing : C.T. for // operation
Location : standard line 1 (U), option line 2 (V).
Consult diagrams.
- Maximum continuous current : 1.3A
- Nominal current : 1A
- Maximum current for 10s : 10A
Voltage droop rheostat :
The P2 rheostat on the R731 can be used to adjust the
voltage droop. It is designed to provide a minimum voltage
droop of 8% at 0 power factor and 1A from the paralleling CT.
3 - INSTALLATION
The R731 module is designed to be installed vertically next to
the voltage regulator.
4 - ELECTRICAL SCHEMATICS
2 typical wiring schematics are provided :
- with the CT for parallel operation on the phase U
- with the CT for parallel operation on the phase V
Consult drawing. Contact us if you need more details on R726. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Generator Parts、AVR. If these products fail to match your need, please contact us and we would like to provide relevant information.
Method: Water Cooling Generator
Type: Diesel Generator Trademark: Leroy sommer Origin: UK Conditions
of Use: Land Use Output Type: AC Three Phase Installation
Method: Fixed Delivery Time: 3days Specification: original Original R731 three phase sensing module
1 - DESCRIPTION
The R 731 optional three phase sensing modul is designed to
be used with the R438, R448, R449 single phase sensing
voltage regulators.
2 - CHARACTERISTICS
2.1 - voltage sensing
The voltage sensing is done with three 2VA single phase
transformers.
Input voltage :
- High voltage tap (400V) :
340V-5% to 480V=5%
- Medium voltage tap (230V) :
200V-5% to 240V+5%
- Low voltage tap (110V) :
90V-5% to 140V+5%
Internal voltage rheostat :
The voltage can be adjusted using the internal rheostat P1.
This rheostat is designed to provide +/-5% adjustment from
any voltage within the above voltage ranges.
Remote voltage rheostat :
If required, remove the ST10 jumper in order to connect a
remote voltage rheostat.
A 470 Ohms - 3W rheostat can be used for a +/-5% voltage
adjustment range or a 1k Ohms - 3W rheostat for a +/-10%
voltage range.
An ST1 jumper was included on older R731 modules to
increase the voltage adjustment range but was discontinued.
2.2 - voltage droop
Current sensing : C.T. for // operation
Location : standard line 1 (U), option line 2 (V).
Consult diagrams.
- Maximum continuous current : 1.3A
- Nominal current : 1A
- Maximum current for 10s : 10A
Voltage droop rheostat :
The P2 rheostat on the R731 can be used to adjust the
voltage droop. It is designed to provide a minimum voltage
droop of 8% at 0 power factor and 1A from the paralleling CT.
3 - INSTALLATION
The R731 module is designed to be installed vertically next to
the voltage regulator.
4 - ELECTRICAL SCHEMATICS
2 typical wiring schematics are provided :
- with the CT for parallel operation on the phase U
- with the CT for parallel operation on the phase V
Consult drawing. Contact us if you need more details on R726. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Generator Parts、AVR. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Spare parts for Genset
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