We design and supply generator sets to guarantee the continued operation of Data Centres in the event of a failure of the main power supply.
Data Centres or Data Processing Centres (DPCs) are facilities that house complex and modern IT equipment, from computers to storage or network systems, where any electrical failure can lead to a catastrophe due to the large amount of information managed in the facility which is put at risk. For this reason, it is imperative that the electrical supply in these facilities is continuous and uninterrupted.
In terms of system availability, Uptime Institute has created the TIER rating system to assess data centre infrastructure. The classification starts at DPC Tier 1, used for small businesses, up to Tier 4, used in large corporations.
|1||No power redundancy.||99,671%|
|2||Partial redundancy in power and cooling.||99,749%|
|3||N+1 fault tolerant. At least 72 hours of protection against voltage drop.||99,982%|
|4||Fully redundant 2N+1 infrastructure. At least 96 hours of protection against voltage drop.||99,995%|
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There are 2 standards
COP power according to ISO8528-1:
This allows the generator set for Data Centre to work at 100% of its nominal load on an unlimited basis.
Sizing the sets based on this rating implies selecting larger engines and operating them outside of their most efficient operating range.
DCC Power (Data Centre Continuous Power):
This rating complements those defined by ISO8528-1 and allows the generator set to work at 100% of its nominal load, supplying unlimited power to the DPC. It is based on statistics of starts and failures of diesel engines, which allow a reduction of the size of the generator sets with respect to the COP rating.
The loads that apply to the DPCs can be divided into:
- Fire extinguishing systems, direct starter motors.
- Uninterruptible power supplies and IT loads.
- Cooling and refrigeration systems.
Usually, when sizing sets for DPCs, it must be taken into account that the amount of non-linear load will be very important, as well as the power factor of the loads, which is usually around 0.9.
Due to these requirements, special care must be taken when selecting the engine and alternator to achieve optimal performance without excessive oversizing.
Generator sets for Data Processing Centers features:
- All the engines have pre-heating systems to allow the generator set to start in less than 10 seconds.
- DPC alternators are supplied with PMG to avoid the harmonic distortion that can be induced by non-linear loads.
- The entire control system is powered from engine starter batteries for maximum availability.
- There is a mains battery charger to maintain the charge of the batteries.
- The generator sets offer the option to programme a weekly start to ensure that the generator set is operational when required.
- Start by external command or by network failure.
We supply the generator sets with various optional features:
- Synchronisation between generator sets.
- Synchronisation against network.
- Redundancy between equipment.
- Consumption peak trimming functions. Outdoor container installation.
- Monitoring via webserver, Modbus TCP/IP, or SNMP.
- IT earthing system for high availability equipment.
- Uninterruptible power systems (UPS) and battery systems as well as transfer systems in a single power plant.
- Redundancy between two power plants (set redundancy and UPSs).
- Rotabloc technology (dynamic UPS) for protection of critical loads.
- Custom Scada design for systems with several generator sets.
We have a multidisciplinary technical team that has worked on generator set projects within different areas (military, information technology, combined cycles, biomass, hospitals, etc.) capable of designing customised solutions:
- Implementation of customised control for feeding 2 DPCs from 2 different networks, with backup from 2 generator sets that can feed the 2 DPCs either individually or jointly by means of a transfer system, maintaining the separation of the power supply of the DPCs.
- Synchronisation between generator sets and around any of the networks.
- Redundancy between sets. Possibility of enabling redundancy between networks.
- Redundant electric or electric-pneumatic starting systems.