POWERPWER/BPROB/NBPHBS11/eng/IPB/08.11/FR/7449 © ALSTOM 2011. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

POWER AUTOMATION AND CONTROLS

Enerbus Isolated Phase Bus

Quality at its bestUnique experience for engineering, manufacturing, supply, ��������������� �����services for isolated phase bus.

As generation unit capabilities in thermal, hydro and nuclear power stations have continuously been increasing, Alstom’s Enerbus isolated phase busducts have been designed to feature any power plant requirements whether for short circuit withstand or demanding seismic constraints.

Alstom Enerbus incorporates all critical components required to evacuate energy from generators: connections, joints and insulating supports, each contained in earthed metal enclosures and used to connect to unit transformers. It also includes all necessary steel supporting structures as well as optional pre-designed circuit breaker, switches and transformer components.

���������� ���������������������������������������������������������������������������������������������������������������������������!������������"���������������������������������������������������###$#

PLANT EFFICIENCY����������������� ��� ������������������������������� ���������������������� ����� ���������������� �������������operation. Enerbus has been designed for very limited electrical loss in the adjacent steel structures and in the concrete reinforcement. Enerbus design involves the strongest components for the most extended lifetime.

%&� '�()(*+(,*+*-���������������� ������ ����������������������������������������������������������� � ��� ���������������������large hydro plants or power plants highly exposed to seismic constraints. Moreover, Enerbus can withstand highest short ����������������� ���������������������������������� ���� �������������

�(./0(1-/'*.2�0+ 3*,*+*-�Alstom has been developing global manufacturing capabilities worldwide through its more than 50 years of experience in this activity leading to over 1,300 busducts delivered so far to no less than 110 renowned customers.

1&�%+*(.1 �(.4�5/(+*-��1&.-'&+Enerbus range and associated equipment are designed in compliance with IEC recommendations (publication 298) and �������� �� ���������������������!�"#$%&'$*+�/4��"67&7;;*+�<��"=>?*+��������������������� ���� ���� �����+����������������� ����@�������������������������� �!�B�?;;=�

POWERPWER/BPROB/NBPHBS11/eng/IPB/08.11/FR/7449 © ALSTOM 2011. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

POWER AUTOMATION AND CONTROLSENERBUS

For more information contact your Alstom Service

representative:

Visit Alstom Power online:���#������#���6�����

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(a world record)D�F��������������������������=+%>;�GHD������&���������������� ���������

up to 1,590,000 AD�High seismic constraintD��������� ������������������������������D�Highest reliability and quality

1�������D�Conductor: octagonal duct with sections welded together at regular

������������������� ���� ���������4������������������� ��������??�>K�����������������4������ ��������������������� ����������������������������

D�Matt paint for conductors and enclosures to improve busduct cooling.D����������������������L��������� ������������������������������������� �����

aluminium-alloy collar brackets.D�Coaxial conductor supported by symmetrical shed porcelain insulators with a

long creepage distance.D�Expansion joints allowing free expansion of the isolated phase busductsD�Connections: copper or aluminium braidsD�4�����������L�������������������������������+���������������������� �

synthetic rubber bellowsD�H�������������L������������������� ������������N�����D�Current transformersD�����&���������������� &�����������

(�����������7������D�PressurisationD�Generator terminal casingD�Generator neutral formation (star point)D�Earthing for maintenanceD�Voltage transformer cubicleD�������������� ����������������������D�Prepacked circuit breaker, switches and transformerD����� �� �+���������������� ������

For more information contact your local Alstom

representative:

Visit Alstom Power online:���#������#���6�����