64 Planning the electrical installation
Protecting the converter, grid cable, rotor and rotor
cable in short-circuit situation and against thermal
overload
Protecting the grid cable in short-circuit situations
Protect the grid cable with fuses.
Size the fuses according to local safety regulations, appropriate input voltage and rated
current of the converter. Check that the operating time of the fuses is below 0.5 seconds.
WARNING!
Circuit breakers are not capable of providing sufficient protection
because they are inherently slower than fuses. Always use fuses with circuit
breakers.
Protecting the converter in short-circuit situations
AC fuses
Always protect the converter with AC fuses listed in chapter
. The fuses
restrict the converter damage and prevent damage to adjoining equipment. The fuses are
included in the delivery of the wind turbine converter automatically if it is equipped with
400 mm wide incoming cubicle (C111), or a power cabinet (C108 or
+C109). For the other units, the fuses must be acquired and installed outside the converter
cabinet by the user.
WARNING!
Circuit breakers are not capable of providing sufficient protection
because they are inherently slower than fuses. Always use appropriate fuses.
DC fuses
The converter employs fuses in the DC link between the grid-side and rotor-side converter
modules. See
for fuse ratings.
Protecting the rotor and rotor cable in short-circuit situations
The converter is capable of detecting a short-circuit in generator rotor windings or in
generator rotor cable. However, it does not protect the generator or generator cables.
Protecting the converter, grid cable and rotor cable against thermal
overload
The converter protects itself, the grid cable and rotor cable against thermal overload when
the cables are dimensioned according to the nominal current of the converter and the
ambient conditions are within the limits specified in section
on page
Power supply
network
to rotor
Grid-side converter AC fuses
DC fuses
Содержание ACS800-67LC
Страница 1: ... ABB WIND TURBINE CONVERTERS ACS800 67LC wind turbine converters Hardware manual ...
Страница 4: ......
Страница 16: ...16 Safety instructions ...
Страница 22: ...22 Introduction to the manual ...
Страница 42: ...42 Operation principle and hardware description ...
Страница 52: ...52 Mechanical installation ...
Страница 79: ...Electrical installation 79 3 3 Rotor side cable connection terminals U2 V2 W2 ...
Страница 92: ...92 Maintenance 4 6 5 5 ...
Страница 103: ...Maintenance 103 Bussmann fuses Mersen fuses ...
Страница 109: ...Maintenance 109 5 6 7 ...
Страница 131: ...Technical data 131 Declaration of incorporation ...
Страница 136: ...136 Dimension drawings ACS800 67LC 1075 0575 7 and 1375 0575 7 ...
Страница 137: ...Dimension drawings 137 With 400 mm wide incoming cubicle option C111 ...
Страница 138: ...138 Dimension drawings ACS800 67LC 1375 1125 7 ...
Страница 139: ...Dimension drawings 139 With 400 mm wide incoming cubicle option C111 ...
Страница 140: ...140 Dimension drawings ACS800 67LC 1595 0865 7 and 2035 1125 7 ...
Страница 141: ...Dimension drawings 141 With 400 mm wide incoming cubicle option C111 ...
Страница 143: ...Dimension drawings 143 Options 2H370 and C111 Option 1H371 ...
Страница 144: ...144 Dimension drawings Options 1H371 and C111 Options 2H371 and C111 ...
Страница 145: ...Dimension drawings 145 Option H378 Options H378 and C111 ...
Страница 147: ...Dimension drawings 147 Option 2H372 ...
Страница 148: ...148 Dimension drawings Option 3H372 ...
Страница 149: ...Dimension drawings 149 Option 1H373 ...
Страница 150: ...150 Dimension drawings Option 2H373 ...
Страница 151: ...Dimension drawings 151 Option 3H373 ...
Страница 152: ...152 Dimension drawings Option H375 ...