Named design reference · onshore wind-turbine nacelle
Huachen identifies SCFLLB-11300/37/0.69(0.4) as an epoxy-resin-cast dry-type transformer for an onshore wind turbine’s nacelle. The original illustrated sheet also describes an integrated 400 V auxiliary winding and surge-arrester protection design. These features make the turbine interface central to selection; the model string alone is not a complete rating schedule.
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Jiangsu Huachen Transformer →CATALOGUE IDENTITY
SCFLLB-11300/37/0.69(0.4)- Published model
- SCFLLB-11300/37/0.69(0.4)
- Location
- Inside an onshore turbine nacelle
- Insulation construction
- Epoxy-resin cast dry-type
- Auxiliary feature
- 400 V winding described in manufacturer image
Separate the generator, collection and auxiliary interfaces
The source describes stepping up generator output for transmission through collection lines to the wind farm’s step-up station. It identifies the intended installation as the nacelle of an onshore turbine. This does not establish suitability for an offshore turbine, a ground-level distribution room or every turbine platform.
The illustrated manufacturer sheet describes an integrated 400 V auxiliary winding. Ask for its rated capacity, terminals, connection, protection and simultaneous loading conditions with the main windings. The parenthesized 0.4 in the model is preserved as source notation; no auxiliary capacity or complete winding rating is inferred from it.
Scroll this table to read every column →
| Item | Published reference | Buyer action |
|---|---|---|
| Main service | Generator-output step-up for wind collection | Provide generator/converter and collection-system requirements. |
| Auxiliary service | 400 V winding described | Request its capacity, duty, connection and terminal schedule. |
| Model identity | SCFLLB-11300/37/0.69(0.4) | Obtain an explicit winding-by-winding rating sheet. |
| Protection design | Integrated surge-arrester design described | Confirm devices, ratings, coordination and supply boundary. |
Source notes: [P1]
Approve the nacelle envelope and dynamic interfaces
The description and image sheet emphasize compact construction, light weight and reinforced resistance to vibration, shocks and short circuits. They supply no dimensions, mass, centre of gravity, mounting loads or vibration test envelope in the reviewed material. “Compact” is a design description, not proof that the unit fits a particular nacelle.
Give the maker the turbine platform, equipment envelope, mounting pattern, access path and project vibration/shock requirements. Request a matched general-arrangement drawing, installation orientation, lifting points, operating and transport masses, cable routing and service access. The turbine integrator should approve these interfaces before fabrication or nacelle assembly.
The image’s lightning-protection description is also qualitative. Obtain the proposed arrester data and coordination documents against the generator/converter, collection circuit and turbine earthing arrangement. The page does not provide a verified lightning-performance report for the whole turbine.
Electrical interface approval
Agree main and auxiliary winding schedules and the converter/collection-system boundary.
Mechanical interface approval
Approve envelope, support loads, vibration requirements, handling and maintenance access.
Package evidence review
Match thermal, electrical, mechanical and protection documents to the final turbine configuration.
Source notes: [P1]
Define cooling, insulation and performance under the actual duty
An epoxy-resin-cast description establishes the stated construction family, not a numerical insulation, loss or thermal guarantee. Supply the wind-turbine load duty, converter characteristics, nacelle ambient and ventilation restrictions, then ask for cooling ratings, temperature limits, monitor/alarms and maintenance access requirements.
The source claims low-loss design and maintenance benefits without a model-specific loss table or a service agreement. Obtain no-load and load-loss guarantees with reference temperature, impedance, dielectric and partial-discharge requirements and applicable test evidence. Do not invent a kVA rating, connection or continuous overload capability by parsing the model code.
Require installation and inspection instructions even where the marketing text uses “maintenance-free.” The offered equipment’s manuals and the turbine’s approved service procedures define the actual inspection and service scope.
Source notes: [P1]
Quote the integrated turbine package and approval sequence
Ask whether the offer includes the auxiliary winding, arresters, temperature monitoring, cooling equipment, connectors, supports and turbine integration support. Identify the exact platform and drawing revision in the quotation; a generic cast-resin transformer price is not a comparable nacelle package price.
No verified price or lead time was established. Request dated currency, trade terms, validity and exclusions. Separate interface approval, manufacture, agreed qualification/factory tests, delivery to the turbine assembly location and final installation acceptance. Confirm what starts the lead time and how late interface changes affect the schedule.
Source notes: [P1]
Prepare a configuration-specific inquiry
Identify the onshore turbine platform and main electrical duty.
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Buyer questions
Is 11,300 kVA confirmed from the model code?
This record preserves the model string. The reviewed overview and image do not supply a separate full numerical rating schedule; request explicit winding ratings.
Is the 400 V auxiliary winding described in the source?
Yes, in the manufacturer’s illustrated sheet. Its capacity and detailed interface remain unconfirmed.
Does the compact design fit my turbine?
No envelope or mounting guarantee is given here. Obtain platform-specific drawings and integrator approval.
Can this be ordered for offshore use on the same evidence?
The source identifies onshore nacelle use. Offshore suitability requires a separate explicit proposal and evidence.
Sources and research scope
Manufacturer material reviewed on 14 October 2026. Published facts and buyer recommendations are distinguished in the sections above. No verified current price, lead time or independent unit test was established.
View 1 research records
Original overview and 1200×1636 illustrated sheet visually read: exact model, onshore nacelle use, cast resin, 400 V auxiliary winding, qualitative reinforcement and arrester design. No numerical rating inferred from code.
2026-10-14 · Original manufacturer browser page and linked illustrated product sheet visually readSource references and archived material are retained in the editorial record. Report a correction or provide a current datasheet →