Baku Heydar Aliyev Oil Plant is a large-scale industrial facility located in Azerbaijan. On this project Devpan supplied the Form 4b main distribution boards and the IP54 motor control centres feeding the process motors.
Electrical Profile of the Project
- LocationBaku, Azerbaijan
- Building typeManufacturing plant
- Installed power≈ 8,000 kVA
- Transformer configuration4 × 2,000 kVA
- Main busbar rated current2 × 4,000 A
- Short-time withstand current (Icw)80 kA / 1 s
- Devpan scopeLow voltage switchboards, engineering and site coordination
- Verification standardIEC 61439-1, IEC 61439-2
About the Project
In continuous process plants a stoppage of the production line turns not only the downtime but also the restart time into cost. In some processes restarting takes hours; the electrical infrastructure therefore focuses not on shortening the duration of a fault but first on preventing the fault from spreading.
At the Baku Heydar Aliyev Oil Plant the protection discrimination is graded so that a fault on a motor outgoing way does not trip the main breaker of the line. The motor control centres are built with withdrawable outgoing ways and grouped line by line. As the Azerbaijani network structure requires, the medium voltage inside the site is at 10 kV. Because of the dust in the production environment the degree of protection is raised to IP54; in a closed enclosure the thermal balance is achieved through the busbar cross-sections and the internal arrangement.
Devpan Scope and Switchboard Architecture
The Devpan scope reaches from low voltage main distribution to the process motor control centres.
- Main distribution boards (DevPanel): 4,000 A class, 80 kA / 1 s withstand, main distribution with Form 4b internal separation.
- Motor control centres (DevControl): Withdrawable motor outgoing ways with variable speed drives, grouped line by line; IP54 enclosure.
- Power factor correction (DevComp): Stepped detuned compensation suited to the drive density.
- Sub-distribution boards (DevBox): Panels for the production buildings, the warehouse and the maintenance workshop.
- Lighting and power panels (DevPower): Production hall, outdoor and emergency lighting circuits.
Technical Configuration
| Installed power | ≈ 8,000 kVA |
|---|---|
| Transformer configuration | 4 × 2,000 kVA |
| Medium voltage level | 10 kV |
| Low voltage / frequency | 400 / 230 V, 50 Hz |
| Main busbar rated current | 2 × 4,000 A |
| Short-time withstand current (Icw) | 80 kA / 1 s |
| Form of internal separation | Form 4b |
| Degree of protection (IP) | IP54 |
| Generator back-up | 2 × 1,500 kVA |
| Verification standard | IEC 61439-1, IEC 61439-2 |
Devpan Products Used in This Project
Project-Specific Engineering Topics
Full discrimination and containment of the fault
The protection curves are graded to provide full discrimination in the sequence motor outgoing way, line and main distribution; a fault takes out only the outgoing way at its source.
The cost of restart time
In continuous processes a restart can take hours; the protection design therefore focuses on preventing the fault from spreading.
Thermal balance in an IP54 enclosure
When a closed enclosure is used because of dust, heat dissipation becomes harder; the busbar cross-sections are increased and the high-power outgoing ways are distributed thermally within the enclosure.
Motor grouping line by line
Motor outgoing ways are grouped according to the production line they belong to; maintenance and fault response are carried out with a line-based logic.
Frequently Asked Questions
Why must protection be fully discriminative in continuous process plants?
Because a stoppage of the line turns not only the downtime but also a restart that can take hours into cost. Full discrimination ensures that a fault on a motor outgoing way takes out only that outgoing way and that the rest of the line keeps running.
What is the installed power for the Baku Heydar Aliyev Oil Plant?
For an industrial facility of this scale the installed power is approximately 8,000 kVA, with a typical transformer configuration of 4 x 2,000 kVA. The main busbar rating is planned at 2 x 4,000 A and the medium voltage inside the site is at 10 kV.
Why are motor outgoing ways grouped line by line?
Because maintenance and fault response are carried out with a production line logic. When a whole line is taken out for maintenance, having all the motor outgoing ways of that line in the same panel and on the same supply branch both speeds up the work and reduces the risk of switching off the wrong circuit.
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Send us your single-line diagram, your transformer rating or simply your load list. Our engineering team runs the short-circuit and discrimination study and defines the form of separation and busbar cross-section with you.
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