The Uzbekistan Oncology Hospital is a specialised healthcare facility for cancer diagnosis and treatment. Devpan supplied the main distribution boards, mechanical services MCCs, floor boards, power factor correction and lighting panels.
Electrical Profile of the Project
- LocationUzbekistan
- Building typeHospital
- Installed power≈ 3,200 kVA
- Transformer configuration2 × 1,600 kVA
- Main busbar rated current2 × 2,500 A
- Short-time withstand current (Icw)65 kA / 1 s
- Devpan scopeLow voltage switchboards, engineering and site coordination
- Verification standardIEC 61439-1, IEC 61439-2
About the Project
An oncology hospital carries more sensitive loads than a general hospital. Radiotherapy equipment and imaging systems such as CT, MRI and PET draw high instantaneous power and are sensitive to voltage dips and harmonics, and an interrupted treatment session directly affects patient planning. Chemotherapy preparation areas and cleanrooms require precise ventilation that never stops. Uzbekistan’s hot, dry summers increase HVAC demand, while voltage fluctuations on the network make the protection of medical equipment a design topic in its own right.
For an oncology hospital of this scale, the typical arrangement is about 2 × 1,600 kVA of transformer capacity from the 10 kV network, with dedicated feeders for imaging and radiotherapy loads. DevPanel main boards with 2 × 2,500 A busbars, 65 kA / 1 s withstand and Form 3b – Form 4a segregation separate these sensitive loads from general services. A generator of approximately 1,000 kVA takes over the emergency and critical busbars, while UPS systems bridge sensitive equipment. Chillers, air handling units and cleanroom fans are controlled from DevControl MCCs, and DevBox, DevComp and DevPower complete the distribution.
Devpan Scope and Switchboard Architecture
Devpan’s scope runs from the hospital’s main distribution to the medical equipment feeders and mechanical services MCCs.
- Main distribution boards (DevPanel): 2 × 2,500 A busbars, 65 kA / 1 s, Form 3b – Form 4a, dedicated feeders for imaging and radiotherapy, generator transfer.
- Mechanical services MCCs (DevControl): Motor control centres for chillers, AHUs, cleanroom fans and pumps.
- Floor and ward boards (DevBox): IP31 – IP41 sub-distribution for clinical wards, chemotherapy units and laboratories.
- Power factor correction (DevComp): Detuned compensation suited to imaging systems and drive loads.
- Lighting panels (DevPower): Controlled lighting boards for corridors, waiting areas and outdoor spaces.
Technical Configuration
| Installed power | ≈ 3,200 kVA |
|---|---|
| Transformer configuration | 2 × 1,600 kVA |
| Medium voltage level | 10 kV |
| Low voltage / frequency | 400 / 230 V, 50 Hz |
| Main busbar rated current | 2 × 2,500 A |
| Short-time withstand current (Icw) | 65 kA / 1 s |
| Form of internal separation | Form 3b – Form 4a |
| Degree of protection (IP) | IP31 – IP41 |
| Generator back-up | 1 × 1,000 kVA |
| Verification standard | IEC 61439-1, IEC 61439-2 |
Devpan Products Used in This Project
Project-Specific Engineering Topics
Medical equipment feeders
Radiotherapy and imaging equipment is supplied through dedicated feeders from the main board, so load surges are not passed on to other departments.
Power quality
Detuned compensation, voltage monitoring and UPS on sensitive loads address harmonics and voltage dips.
Cleanroom ventilation
Chemotherapy preparation and cleanroom fans are fed from a priority busbar so that room pressure regimes are maintained without interruption.
Staged generator loading
During an outage, critical loads are restored first and large mechanical loads are added in stages to avoid overloading the generator.
Frequently Asked Questions
What is the installed power of the Uzbekistan Oncology Hospital?
For an oncology hospital of this scale, the installed power is approximately 3,200 kVA with a typical transformer configuration of 2 × 1,600 kVA. The main busbar is typically rated 2 × 2,500 A with 65 kA / 1 s withstand; the MV level is 10 kV and standby comes from a generator of around 1 × 1,000 kVA.
Why are radiotherapy and imaging equipment fed separately?
These devices draw short bursts of high current and are sensitive to voltage quality. Dedicated feeders protect them from disturbances caused by other loads and keep their own voltage dips from affecting other departments.
Which systems do the MCCs manage in an oncology hospital?
Typically chillers and cooling towers, air handling units, cleanroom and laboratory exhaust fans, medical gas compressors and plumbing pumps.
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