Synchronous Generators BG 132 and BG 160

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Synchronous Generators BG 132 / BG 160 Chapter 2, Description Version / Option BG 132 2-pole up to 17 kVA Generator directly mounted to engine Engine-/manufacturer-depending sealing betw. engine and generator BG 160 2-pole ≥ 20 kVA 4-pole ≥ 10 kVA 1-bear. 2-bear. 2-bearing x - - x - - Direct coupling via flange - x x Belt or hydraulic drive - x x Brushless Generator x x x Brush-type generator x x - Supply without terminal box, cable directly lead out in a hose Terminal box mounted, no governor/filter functions Terminal box mounted, governor/filter functions partly implemented Terminal box mounted, governor/filter functions completely implemented Option "Expanded generator governor with no-load automatic" Control box mounted, aluminum cast or sheet metal x x x x x x x x x x x x x x x x 1 x 1 - Option hour meter in control box x 1 x 1 - Option insulation monitoring in control box x 1 x 1 - 1. Only available for versions with rated power output of 8 kVA or 13 kVA. 14 Issue date: August 2002
Synchronous Generators BG 132 / BG 160 Chapter 2, Description 2.3 General functionality All generators of these series are self-excited synchronous inner-pole generators. The generator consists of the functional groups main machine, exciter and rotating rectifier mounted in a common housing. The electronic generator governor can be placed in a terminal box mounted on the generator, an external control box or in the optional control box mounted on the generator instead of the terminal box. Due to various constructional measures, an amortisseur and a balancing control the generators have an extreme asymmetric load capability. Cooling of the generators is performed by a rotating direction-independent selfventilation. For this purpose, the cooling air is sucked on the rear side by a fan impeller and then blown to the front outside along the generator. The supplied generator voltage is regulated by the electronic generator governor, so that the output voltage fulfills the requirements of IEC 38 for the entire range between no-load and rated load condition. This corresponds to the quality standard of the public electricity supply network. The output frequency constancy depends on the speed constancy of the engine. In case of short generator overload conditions (below the reaction time of the circuit breakers) or if devices with a too high power consumption or a too high starting power are connected to the generator, the generator governor automatically limits the output power (by limiting the exciter field current) and reduces the output voltage. Optionally an expanded generator governor with no-load automatic is available. Further information about the generator governor can be found in section 2.4 on page 17. If the generator is not equipped with the option "Insulation monitoring with switching-off", it fulfills the protective measure "Protection separation with equipotential bonding" according to VDE 0100 part 728. The used power system is the IT system with neutral conductor N and equipotential bonding conductor PE (see Figure 1). If the generator is equipped with the option "Insulation monitoring with switching-off", it fulfills the better protective measure "Protection separation with insulation monitoring" according to VDE 0100, part 728. The generators of this series comply with the EMC regulations EN ISO 14982, ISO TC 127 / ISO FDIS 13766 / DIN EN 13909 and further EMC regulations referenced in these regulations. Issue date: August 2002 15
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Synchronous Generators BG 132 and BG 160

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