Sahil Sarıkız Soda Plant is a large-scale industrial facility that brings chemical production and renewable energy functions together on one site. On this project Devpan manufactured the Form 4b main distribution boards and the IP54 – IP55 motor control centres suited to a corrosive process environment.
Electrical Profile of the Project
- LocationTürkiye
- Building typeChemical plant
- Installed power≈ 10,000 kVA
- Transformer configuration4 × 2,500 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
The toughest factor facing the electrical infrastructure of a chemical plant is corrosion. Process-borne vapour and dust cause deterioration over time in the panel enclosure and at the connection points. Once continuously running process loads and a high motor density are added, the design departs from standard industrial practice.
At Sahil Sarıkız the enclosure surface treatment and the degree of protection are raised to match the corrosive character of the process environment. The motor control centres are built with withdrawable outgoing ways; in the event of a fault, replacing the module as a whole allows the process to be restarted in a short time. Because of the high transformer capacity the busbar system is verified to the 80 kA class. In facilities with renewable generation the direction of measurement can be bidirectional, so the analysers and the protective devices are selected accordingly.
Devpan Scope and Switchboard Architecture
The Devpan scope reaches from main distribution to the process motor control centres. Corrosion resistance and process continuity are the two fundamental criteria of the design.
- Main distribution boards (DevPanel): 4,000 A class, 80 kA / 1 s withstand, main distribution with Form 4b internal separation.
- Process motor control centres (DevControl): Withdrawable motor outgoing ways with variable speed drives and soft starters; IP54 – IP55 enclosure.
- Power factor correction (DevComp): Detuned compensation and harmonic filter infrastructure suited to a high drive density.
- Sub-distribution boards (DevBox): Panels for the process buildings, the laboratory and the maintenance workshop.
- Lighting and power panels (DevPower): Process area, outdoor and emergency lighting circuits.
Technical Configuration
| Installed power | ≈ 10,000 kVA |
|---|---|
| Transformer configuration | 4 × 2,500 kVA |
| Medium voltage level | 34.5 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 – IP55 |
| 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
Enclosure protection in a corrosive environment
The enclosure surface treatment is raised against process vapour and dust; the gasket material and the cable entry components are selected for chemical resistance.
Process continuity with withdrawable motor outgoing ways
Every motor outgoing way sits in its own withdrawable module; in the event of a fault the module is replaced as a whole and the process is restarted in a short time.
80 kA class busbar verification
In systems where high-capacity transformers run in parallel, the busbar cross-section, the support spacing and the mechanical strength are calculated for a value of 80 kA / 1 s.
Bidirectional energy flow
In facilities with renewable generation the energy flow can be bidirectional; the metering and protective devices are selected to suit that condition.
Frequently Asked Questions
How is a switchboard enclosure protected in a chemical plant?
The degree of protection is raised and the enclosure surface treatment is selected according to the chemical character of the process environment. The gasket material, the cable glands and the mounting components are specified to the same resistance level; a single weak component invalidates the whole protection.
What is the installed power for Sahil Sarıkız Soda Plant?
For a chemical plant of this scale the installed power is approximately 10,000 kVA, with a typical transformer configuration of 4 x 2,500 kVA. The main busbar rating is planned at 2 x 4,000 A with a short-time withstand current of 80 kA / 1 s.
How does renewable generation affect the switchboard?
It makes the energy flow bidirectional. When generation exceeds consumption the current flows from the facility towards the grid; energy analysers must then be able to measure in both directions, and protective devices must detect the fault current correctly in either direction.
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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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