Mixed Gates


IDENTIFICATION

Name: Mixed Gates (Vannes Mixtes in French)

Developer: General Electric (previously Neyrpic, Neyrtec, GEC Alsthom following several industrial mergers and acquisitions). The trademarks AMIL, AVIS, AVIO, MIXTES, Modules à Masques, etc are now owned by GE, which took over the energy branch of Alstom in 2015-2016. Following the Management Buy Out of the Irrigation & Sanitation department of Alstom Brasil in 2007, Hydrostec has an exclusive right to use these brands.

CHARACTERIZATION

Considered variables: (up and dn are defined in reference to the pool not to the device)

  • Controlled: f(y_up, y_dn) = y_up, y_dn, y_up-y_dn depending on the hydraulic conditions
  • Measured: y_up, y_dn
  • Control action: G

Input/Output Structure: 2ISO

Logic of control:

  • Type: FB
  • Direction: both up and dn

Design method technique: P

Field implementation:

  • Configuration: Local close
  • Device: Hydromechanical

APPLICATIONS OR TESTS

Several countries


RESULTS ON BENCH MARK TESTS

-


REFERENCES

GEC Alsthom. 1981. Gestion de canaux et irrigation. Les matériels NEYRTEC d'équipement pour réseaux régulés. 40 p.

Zimbelman D.D. 1987. Planning, operation, rehabilitation and automation of irrigation water delivery systems. Neyrtec automatic equipment for irrigation canals. Goussard Jean. Proceedings of a symposium ASCE, Portland, Oregon, USA, 28-30 July 1987, 377 p.

Gec Alsthom in English

Documentations in Brazilian, French, Spanish and English available on the Hydrostec web site : https://www.hydrostec.com.br/?page_id=3443


MISCELLANEOUS

Directions of companies building or for some of them rather used to build these Gec-Alsthom hydraulic gates (Amil, Avis, Avio and Mixte gates, and baffle distributors). Some are copies of poor quality (Alieco, or some Mexican copies), some are as good as original versions …:

In France:

CERG - Centre d'Etudes et de Recherches de Grenoble (a former division of Alstom Fluide et Mécanique that became an independent lab after 2007)
7 rue Lavoisier
38800 Pont de Claix - France
Phone: + 33 (0) 4 76 40 90 40
Fax: + 33 (0) 4 76 40 92 00
Web:
http://www.cerg-fluides.com

M. MIGNOT MARCEL
CHAUDRONNERIE – CONSTRUCTION METALLIQUE
AMR 190 LA GUILLOTIERE, Marcilloles 38260
Phone: 04 74 54 00 45
Fax : 04 74 54 06 85
E-mail: a.m.r@wanadoo.fr
Web: http://www.amr-chaudronnerie.com

Perrier Sorem
Sales and Marketing Department
290, Rue Laennec – Z.I. Toulon Est / BP 167
83088 TOULON Cedex 09 France
Tel. : +33(0)4.94.08.78.50 – Fax : +33(0)4.94.08.78.51
E-mail:
commercial@perriersorem.com
Web:
http://www.perriersorem.com

In Brazil (Taubaté - SP):

Hydrostec (created from Alstom Hydro Energia Brazil in 2007)
Av. do Pinhão, 2220
CEP: 12050-070
Bairro do Barranco
Taubaté - SP - Brasil
http://www.hydrostec.com.br

In Morocco (Rabat - Salé):

SNCE or SIDEN.
SNCE is stopping and moving activity toward SIDEN

In Algeria:

The Alieco company (Algerian Industrial Equipment Company) is located at the former Neyrpic site in Algeria. Some information and pictures are available on their web site: http://www.alieco-dz.com

In Spain (Madrid):

EINAR – CEO: Ignacio Martin a former representative from GEC-Alsthom: out of business since 2018. Since then Mistral Ross took over parts of its activities (https://mistralross.com/) but not the gates.


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