generator circuit breaker brochure retrofit application brochure gb.fr-fr

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Generator Circuit Breakers

Retrofit Application



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Reasons for generator circuit

breaker refurbishments

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Most power plants are more than 20

years old. For this reason alone,

refurbishment is needed in order to

renew power plant production by

replacing GCBs and related equipment.

Antiquated GCBs require maintenance

times that are expensive when power

plants produce hundreds of MW. They

could also need spare parts that are

becoming increasingly more difficult to

obtain.

GCB retrofitting increases a power

plant's life while reducing outage costs.

With the latest in GCB technology, theplant is more reliable and profitable, as

well as being better protected and able

to meet new electricity market

requirements.

GENERATOR CIRCUIT BREAKERS

At Alstom Grid, we consider retrofit

projects as a partnership with our

clients

Cover letter

Power plants are being asked to generate more power as the world's consumption increases. Production

must be secured and reliable. In this context, the Generator Circuit Breaker (GCB) retrofit deserves a closer

look.

Is your MW

production

secured?

Retrofitting your Generator Circuit

Breaker ensures you a fast return on

investment and a strong partnership

for the future.

In conclusion

Alstom Grid SAS core values are: Trust,

Team and Action. Sharing them with

our customers creates efficient

partnerships, destined for positive

results.

Within a retrofit project, a thorough

understanding of the power plant is

essential to clearly ascertain the project

requirements.

Power plant refurbishment covers a

large field of activities, from civil works

to new equipment commissioning.

Optimising the replacement of existing

equipment within plant time constraintsis a major consideration, along with

securing the equipment production and

installation.

We consider a GCB retrofit as a turnkey

project and our dedicated Retrofit team

will support you by first offering an

extensive site survey to provide the

most adaptable and global solution.
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Advantages and benefits

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Life extension

Power plant owners have to protect their key devices to produce power from the generator and the transformer,

amongst others. Protecting these devices is the GCB - and a well-protected power plant is one with the highest

levels of reliability, availability and safety. Our GCB's also have a minumum 30 year life span.


An Alstom Grid GCB solution increases the reliability and safety of power plants and brings the following

advantages:

An antiquated GCB needs more

maintenance than a new one and can

lead to unscheduled downtimes. Add

the difficulty in obtaining spare parts

and the math is simple - maintaining an

antiquated GCB is a heavy investment.

A new GCB not only has the latest

technology, but offers a warranty period

where maintenance during the first

years is covered.

GCB retrofits save customers

money!

High performance

Our Generator Circuit Breaker technology is consistently updated due to our significant investment in R&D, giving

you the highest level of quality and innovation.

All of our SF6GCB models are equipped with the FK type spring-operated mechanism, which enables up to 20 000

operations.

The advantages of this technology are:

High reliability, availability and quality

Simple, clear functional principle

No more hydraulic leakages

Rapid Installation

Power plant owners have a major constraint: the optimisation and the safety of power production.

How is it possible to overcome this constraint?

Our solution is to retrofit the existing GCB during a unit shut down for maintenance with an optimised duration of

works. Our latest generation of GCB is very adaptible and can be delivered either assembled - or when space is a

concern, unassembled - enabling us to propose universal solutions.



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Our technical process for retrofit projects

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CustomisedCustomisedCustomisedCustomised

analysisanalysisanalysisanalysis

The Alstom Grid GCB retrofit team has developed a pertinent offer, which fits the criteria of reliability,

adaptability and availability. From the site survey, adaptation to the available space, existing bus bars andcivil engineering to commissioning - Alstom Grid proposes an optimised and integrated offer that reduces

installation and commissioning times.

Customised analysis Retrofit realisation


Solution

After receiving approval of the solution,

we work together with our local

partners on the execution of the

following tasks:

Dismantling existing

equipment Civil works adaptation

Bus bar adaptation

Erection of the new

equipment

Commissioning in

collaboration with the client

All site works are performed according

to time schedule milestones.

Information collected during the site

survey enables us to make technical

feasibility studies.

To aid in the studies, we use 3D

software to issue detailed proposal

views followed by the installation steps.

This preparation allows us to define an

optimised time schedule for

manufacturing and site works to

minimise the unit's shut down.

The proposed offer is then elaborated

on a turnkey basis where we take full

responsibility.

The first services we offer to the

partnership include step by step

directions the project will take and a

complete analysis of constraints. This

enables us to propose the most

adapted solutions.

A site survey report will be carried out

by our GCB retrofit team to collect all

GCB technical and environmental data.

At every stage of the retrofit project we share a hand

in hand relationship with our customer to find the

best solution together!

SolutionSolutionSolutionSolution

RetrofitRetrofitRetrofitRetrofit

realisationrealisationrealisationrealisation



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USA, New York HPP

12 x FKG2S without enclosure

Panama, Enel Fortuna


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Worldwide retrofit know-how

Spain, CH Sallente


Italy, Angelo2 x FKG2S conbined

Germany, Stadtwerke

Duisbourg

1 x FKG2S combined

France, Grand Maison

14 x FKG1N without enclosure

France, La Rance


Switzerland, Ferrera & Sils

PSPP


Russia, Zagorskaya


Slovakia, Vojany PP

1 x FKG2S

Vietnam, Ialy HPP

2 x FKG1N combined

Taiwan, Tongshaio


China, Anshan


China, Xin An Jiang


Argentina, Salto Grande

14 x FKG2S with enclosure

Brazil, Vila Do Conde

2 x FKG2M with enclosure

Brazil, Presidente Dutra

2 x FKG2S with enclosure


Saudi Arabia, PP8


Spain, CH Sallente site

Works stage

Old GCB Newretrofitted GCB installed

Proven experience all around the world.
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Global expertise supporting adapted solutions

Localised sales offices

Villeurbanne, France

Central sales office and competence centre


Suzhou, China

Shanghai, China

Charleroi, USA

Moscow, Russia

Chennai, India

Central sales office & competence centre

Villeurbanne, France

Villeurbanne

FranceCharleroi

USA

Moscow

Russia

Chennai

India

Suzhou

China

Shanghai

China

Proximity is key to providing the level of service excellence expected by customers. The Alstom Grid GCB

team is located in key regions around the world, ensuring the most efficient support and expertise to assist

our customers during the different stages of their projects.

Skilled Alstom Service teams are also spread throughout the world, providing immediate support, training

and supervision.



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Our range of generator circuit breakers

Alstom Grid offers the perfect generator circuit breaker solutions for installation in new power plants or forthe refurbishment of existing ones. All GCBs are designed to meet the customer's specific needs. Both circuit

breaker-only and combined solutions are available.


* For more information, please contact us.



ALSTOM Grid Worldwide Contact Centre

www.grid.alstom.com/contactcentre

Tel: +44 (0) 1785 250 070

www.alstom.com

generator circuit breaker brochure retrofit application brochure gb.fr-fr

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