Multi-OEM service · Hitachi
Hitachi Generator & Turbogenerator Service
Independent multi-OEM service for Hitachi synchronous generators and turbogenerators from 1 to 365 MVA on site. Brushless and static excitation. Rotor + stator rewind under EASA AR100. Workshop + onsite service across Mexico and Central America.
Manufacturer reference
Equipment in detail · Hitachi
Manufacturer imagery. These are not installations or services performed by TEMISA.
Factory test of an air-cooled generator. Manufacturer archive from 2005, not a TEMISA service.
Independent multi-OEM workshop
About our Hitachi service
Hitachi (Hitachi Energy + Hitachi Industrial Products) is a major Japanese-Swiss OEM with installed base in CFE thermal plants and Latin American industrial facilities. Acquisition of ABB's power grid business in 2020 expanded Hitachi's portfolio significantly. As an independent multi-OEM workshop, TEMISA Power Gen services Hitachi generators under IEC 60034 and the EASA AR100 standard, with IEEE 56 as reference guide — international references equivalent to those Hitachi applies in its Japanese and Swiss factories.
Workshop capabilities
What we deliver on Hitachi
- Hitachi turbogenerator overhaul: cylindrical rotor up to 365 MVA
- Stator rewinding with VPI Class F or H insulation under EASA AR100
- Brushless excitation diagnosis (Hitachi proprietary brushless platform)
- Hydrogen-cooled rotor servicing (Hitachi >300 MVA standard)
- Hitachi Energy (former ABB) cross-platform compatibility — UNITROL excitation
- Dielectric testing package with full traceability
- Vibration FFT ISO 10816-2 + bearing diagnosis API 670 + laser alignment
- Commissioning with IEEE 115 acceptance tests and grid sync per IEEE 1547 for CFE interconnection
Applications
Industries we serve on Hitachi
CFE thermal generation
Hitachi turbogenerators 200-650 MVA in CFE-owned conventional and combined-cycle thermal facilities — base-load operation with IEEE 56 maintenance cycles.
Hitachi Energy (former ABB) fleet
Following Hitachi's acquisition of ABB power grid business in 2020, ABB-branded synchronous generators with UNITROL excitation are now Hitachi Energy fleet — our existing ABB UNITROL expertise applies directly.
Industrial cogeneration
Hitachi industrial generators 50-200 MVA in sugar mills, paper mills, and chemical CHP plants.
Combined-cycle private IPPs
Combined-cycle gas + steam Hitachi generators 200-450 MVA in private IPP installations with CFE PPA contracts.
Frequently asked questions
How does TEMISA Power Gen service Hitachi equipment?
TEMISA Power Gen is an independent multi-brand service shop; the manufacturer's name identifies the equipment serviced.
Does Hitachi's acquisition of ABB power grid (2020) affect service compatibility?
It actually expands service compatibility. ABB power grid assets — including synchronous generators with UNITROL excitation, electrical testing infrastructure, and field service operations — are now part of Hitachi Energy. Our ABB UNITROL expertise applies directly to Hitachi Energy-branded equipment. The international service standards (IEC 60034, IEEE 115) remain identical between Hitachi and ABB platforms.
What Hitachi generator lines do you service?
We service the Hitachi synchronous generator range: industrial turbogenerators (cylindrical rotor + hydrogen cooling on larger units), Hitachi Energy synchronous generators 50-300 MVA (former ABB SM/SP-series with UNITROL excitation), industrial cogeneration generators 10-100 MVA. Excitation: Hitachi brushless + UNITROL inherited from ABB acquisition.
How long does Hitachi major overhaul take?
Typical timeline for large Hitachi turbogenerators: 10-14 weeks workshop overhaul (especially hydrogen-cooled units). Add 4-6 weeks if stator rewind required. We coordinate hydrogen handling protocols + final IEEE 115 acceptance tests at commissioning + dielectric testing for grid interconnection.
Other OEMs we service
Multi-OEM coverage
Contact
Need service for your industrial generator or turbogenerator?
Response and quote timing confirmed after reviewing your request. Emergency support by arrangement across Mexico and Central America.
Quote requests
ventas@temisapowergen.mxDirect line
+52 33 3614 2460Shop hours
Monday to Friday 8:30–17:30 and Saturday 8:30–13:30 (closed Sunday)
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Tell us what you need
Our 4-step quote form captures the essentials: service type, equipment, capacity and contact. Response and quote timing depend on the information received and agreed scope.
ISO 9001:2015 · IEEE / IEC