MBH MEDIUM SPEED DIESEL GENERATING SETS

The main components of generating sets assembled at MBH include: Engine, alternator, radiator, flexible coupling, control panel, LV / MV switchgears, container, base frame, muffler, and auxiliaries.

 

MBH is ISO certified and complies with German standard DIN/VDE and international standards ISO 8528, IEC and BS.

 

Product Features:

- customized design based on German technology and quality

- special container design to fulfill low noise level

- modular design of electrical room using standard 20 or 40 feet ISO container

BLACK START EXPERTISE

MBH Medium Speed Generating Sets based on GE Transportation Engine are the ideal diesel solution for prime, peaking and Black Start applications.

 

In the particular case of black start applications, the purpose of the BSDG system is to provide auxiliary power to enable the start up of the power plant main generating units (Turbines) and to restore the power station to operation without relying on auxiliary power from the grid.

 

Many black start projects were executed by SPP namely for mega deal projects in Iraq (up to 250MW and 10 units per site).

 

Click here to read an interesting article on GE Transportation website, and which partially talks about the collaboration of GE Transportation and SPP on major black start projects in Iraq.

SPP DIESEL BLACK START MAIN CHALLENGES

Black Start Genset Selection

Black Start Gensets types, specs and number are selected/designed based on factors such as black Start loads, allocated space, plant operation and harmonics. In many cases, SPP acts as an expert consultant for the customer on deciding on Black Start Gensets, and may advise on changes, as in black start size calculation and plant layout.

 

Time Factor

The aim is to successfully complete a black Start Project ahead of schedule because in most cases, plants are not initially connected to the grid and our client would need to use the BSDG to supply the plant auxiliary load prior to first Gas Turbine Commissioning.

 

Commissioning Phasing

Most black Start Projects require from SPP more than one commissioning visit, necessitating from our team to be always ready for such visit calls.

 

Integration with the Plant

Ensure Open and Flexible Communication with plant control system and ensure energization on dead bus and back synchronization with the plant turbines. Also Load Test mode Option is required in all projects where the BSDG is synchronized to the MV Bus bars fed from the Grid.

 

Missing Operation Philosophy

In nearly all projects, SPP team needs to prepare the BSDG detailed operation philosophy including Plant configuration during black start mode. The client usually gives guidelines only.

 

Fine Tuning on Site

During the first energization of the cranking motor on site, SPP team needs usually to make some fine tuning on voltage and speed regulators to cope with the motor starting curve. In some cases, we also help the client adjust the relay setting of the cranking motor local MV breaker or soft starter.

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