Tunisia – Public tender: 120 kVA prime canopy set
A written technical specification (public tender) for 120 kVA prime canopy set: we analysed the requirements and selected TRX QZ TA 0155 (Quartz Q6105AZLD, 155 kVA standby / 139.5 kVA prime), answered 14 points in a compliance table and prepared the documents listed below.
- Country
- Tunisia
- Application
- Public tender
- Power
- 155 kVA standby / 139.5 kVA prime · 50 Hz
- Quantity
- 1 set
- Source of requirements
- Written technical specification
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The request
| Rating | 120 kVA prime |
|---|---|
| Electrical | 400/230 V, 50 Hz, 3-phase, 1500 rpm |
| Site conditions | Max 50 °C, 1,000 m altitude, 90 % humidity |
| Noise | 75 dB(A) at 7 m |
| Enclosure | Sound-attenuated canopy |
| Fuel tank and autonomy | 300 L tank, 12 h autonomy at 75 % load |
| Automatic transfer switch | Yes, 250 A |
| Engine | Max 6 cylinders; Turbocharged; Max 200 hp; Electronic speed governor (CAN bus or potentiometer); Electronic engine management; Overload 132 kVA for 1 h |
| Alternator | Class H; IP23; AVR ±0.5% (datasheet form) / ±1% (specification text); THD <4%; CE-certified alternator brand |
| Controller and communications | Event log 100; Harmonic measurement; RS232/RS485; Ethernet TCP/IP; JBUS/Modbus; Web interface; 8 programmable contacts; Remote alarm repeat to guard house |
| Standards | ISO 3046 |
| Other requirements | TT neutral system; Standby duty; Fuel level alarms/pump control at 10/15/20/80/99%; Electric and manual fuel pump, copper fuel pipes; 1500 L double-wall main tank with leak detector and automatic level gauge; Fire detector and ventilation fan alarms inside canopy; Insulated residential silencer; Lockable doors on both sides |
Our work
Requirement analysis · Model selection and sizing
- 120 kVA continuous (prime) required → selected model with 139.5 kVA prime / 155 kVA standby
- 132 kVA 1 h overload checked against 155 kVA standby rating
- Max 6 cylinders / ≤200 hp checked: 6 cylinders, 121/135 kWm (≈162/181 hp)
- 9 L displacement in the specification compared with 6.75 L engine
- 12 h at 75% load checked: standard 265 L tank gives approx. 11.5 h; 300 L would give approx. 13 h
- 50 °C ambient checked against alternator ratings given for 40 °C
Point-by-point compliance table
| Item | Required | Our proposal | Assessment |
|---|---|---|---|
| Prime power | 120 kVA prime | 155 kVA standby / 139.5 kVA prime | Complies |
| Frequency and speed | 50 Hz | 50 Hz, 1500 rpm | Complies |
| Enclosure | Sound-attenuated canopy | Canopy, 3000 × 1100 × 1850 mm | Complies |
| Fuel tank | 300 L | 265 L base tank | Deviation / to be confirmed |
| Electronic speed governor | – | Offered with electronic governor; electronic version to be confirmed at order | Complies |
| Day tank 300 L / 12 h at 75% load | – | Standard 265 L integrated tank (approx. 11.5 h at 75%) | Deviation / to be confirmed |
| 1500 L double-wall main tank | – | External tanks by installer | Buyer / local scope |
| Voltage regulation | – | ±1% per specification article; ±0.5% datasheet-form value to be confirmed | Complies |
| THD <4% | – | To be confirmed | Deviation / to be confirmed |
| Noise 75 dB(A) at 7 m | – | To be confirmed, no model-specific measurement | Deviation / to be confirmed |
| 50 °C ambient | – | To be confirmed | Deviation / to be confirmed |
| Web interface / Modbus / Ethernet | – | Ethernet optional on DSE 7320; other functions to be confirmed | With option |
| ATS in separate IP55 form 1 enclosure | – | To be confirmed | Deviation / to be confirmed |
| 9 L engine displacement | – | 6.75 L engine offered; ≤6 cylinders and ≤200 hp met | Deviation / to be confirmed |
Options identified and priced
- 300 L day tank
- AVR MX341/MX321 (±0.5%)
- Datakom D500 controller with Ethernet
- Ethernet module for DSE 7320
- Baudouin engine alternative
- Perkins engine alternative
- Cummins engine alternative
Documents prepared · Offer package
- Commercial offer (line-item structure; prices not published here)
- Catalogue pages
- Customer’s technical form, completed
- CE certificate
- Factory load-test report (sample)
- Warranty terms document
- Start-up and handover form
- Maintenance and service forms
- Operating and maintenance manual
- Alternator datasheet
- Engine datasheet
- Offer package 23 pages in French (offer, 4 catalogue pages, 8-page alternator datasheet, 2-page engine datasheet, sample test report, 7 service documents)
- Customer's technical datasheet form completed in French, deviations marked as to be confirmed
Proposed solution
TRX QZ TA 0155
| Standby power | 155 kVA / 124 kW |
|---|---|
| Prime power | 139.5 kVA / 111.6 kW |
| Voltage · Frequency · Speed | 230/400 V · 50 Hz · 1,500 rpm |
| Engine | Quartz Q6105AZLD · 6.75 L |
| Alternator | Terex TA225-120N · AVR SX460 · IP23/H |
| Fuel tank (Canopied (soundproof)) | 265 L |
| Dimensions (L × W × H) (Canopied (soundproof)) | 3,000 × 1,100 × 1,850 mm · 2,135 kg |
| Dimensions (L × W × H) (Open type) | 2,100 × 1,100 × 1,650 mm · 1,835 kg |
Values are taken from the model’s datasheet; the full datasheet and catalogue page are on the model page.
Offered configuration
- Controller: Deep Sea DSE 7320
- Electronic speed governor (stated in offer)
- Integrated day tank 265 L (approx. 11.5 h at 75% load)
- Factory test possible in presence of buyer representatives
- Free factory training for two technicians
- Engine oil, antifreeze and anti-vibration mounts included
- French technical datasheet completed against the spec
Packing, shipping and export documents
- Canopy sets are stretch-wrapped with edge protection; loose parts travel in crates or on pallets.
- Export documents: commercial invoice, packing list, certificate of origin, factory test report.
Customer, tender and site names are withheld; only the country is shown. Prices and commercial terms are not published. Customer documents are not shared; requirements are summarised in our own words.
How we work with your specification
- Send the specification, datasheet form or list of needs (PDF, Excel, Word or a message).
- We reply on the same working day and ask about missing or unclear points.
- We size the power (prime/standby), voltage, frequency, ambient conditions and autonomy, select the model and prepare a point-by-point compliance table. Deviations and options are stated openly.
- We send the package — offer, datasheet, catalogue pages and any forms requested; for standard configurations within 24 hours.