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PJ5KPS
8 / 80
User & Technical Manual
Rev. 1.5 - 08/02/06
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The amplifier may be equipped with a dual power supply/rectifier module. Both
modules operate in this case the configuration is in “hot stand-by” since both
supply, when operating under normal conditions, half of the current required by
the machine to work. When one module is absent or faulty, the module that is
present supplies all the required current by itself. The sufficient dimensioning of
each power supply unit guarantees that the machine will work efficiently at its
nominal power level.
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The amplifier can work as usual even if the control unit is not present. In fact, the
control unit may be substituted temporarily with an electromechanical interface
by means of which the user may give the ON and OFF commands to the machine.
However, in this case all the numeric type information will be missing and the
power level remains the last one enabled before removing the control unit.
4.3 Options
The PJ5KPS envisages the following options:
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Single or dual power supply carriage
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Single or dual exciter
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N+1 configuration
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Different kinds of exciters
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Automatic restore after safety tripping or manual restore
4.4 Operating principles
This description is based on the block diagram shown in Figure 4-1.
The PJ5KPS amplifier essentially comprises three blocks:
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The power supply section
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The Splitter-Coupler section
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The RF amplifier section
The power supply section of the PJ5KPS amplifier is made up of one or two three-
phase transformers, each one associated with a rectifier circuit for generating the
non-stabilized voltage of 80V that supplies the RF modules. The transformers and
the rectifier circuits are mounted on removable carriages together with power
inductors that help achieve a power factor of about 94%.
The power supply unit carriage is dimensioned for supplying all the power required
for the PJ5KPS to operate at full power. Therefore the configuration of the machine
with two power supply unit carriages is a hot stand-by redundant one.
The power supply section is controlled by a microprocessor-based card installed in
the rack.
The Splitter-Coupler section performs all the treatment of the RF signal except for the
power amplification.
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Страница 101: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved RF module fuse board SLFUSRFPJ5KM PJ5KPS 1 3 ...
Страница 107: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved Analog meter selector SLMETPJ5KM4 PJ5KPS 1 3 ...
Страница 116: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved Power relay interface SLRLYPROTVJ PJ5KPS 1 3 ...
Страница 119: ...Appendix to the user manual 2003 R V R Elettronica SpA All rights reserved Emergency CCU Board SLCCUEMPJ5K2 PJ5KPS 1 3 ...
Страница 122: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 1 Wiring Diagram ...
Страница 123: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 7 Microcontroller board SLCPUPJ5KM2 ...
Страница 134: ...Appendix to the user manual 2003 R V R Elettronica SpA All rights reserved PJ5KPS 1 3 Three phase rectifier SLRCTPJ5KMC ...
Страница 146: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 4 Parallel interface SLINTREMPJK5M ...
Страница 161: ...Appendix to the user manual 2002 R V R Elettronica SpA All rights reserved PJ5KPS 1 3 RF module driver SLDRVRFPJ5KM ...