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Category: Hitec UPS rotary diesel dual outputHitec Low Voltage or Medium Voltage SystemFor relatively lower power UPS applications, low voltage systems are the most effective means of connecting modules together to meet the required load and provide redundancy. However, as the load grows, the number of modules that can be connected together, in a parallel configuration, becomes restricted by the fault current limitations of both LV circuit breakers and switchgear. To overcome this, Hitec has developed other solutions for multi-module LV systems such as isolated redundant and distributed redundant. In fact Hitec has several installations of up to 12 modules operating together in an isolated redundant configuration. Benefits of an MV SystemMany customers with large critical load requirements require the
simplicity and flexibility offered by parallel systems. To meet this
requirement, Hitec offers Medium Voltage parallel systems; these are
most commonly at 11kV in the UK but voltages up to 24 kV have been used
Worldwide.
Active Redundancy Control - Continuous Support of IT & Cooling Critical Loads with MV SystemsWith the current trend being to use high density IT (Blade servers) in data centre applications, the continued operation of the cooling system has increasingly become a critical issue, even as critical as the continued operation of the IT equipment itself. So much so that even very short supply failures to the cooling plant can cause the server racks to overheat. To overcome this problem Hitec’s Active Redundancy Control makes full use of the “spare” capacity of the redundant module to provide a No-Break electrical supply to the cooling system from the DRUPS system, while in no way compromising the security of the IT loads. Ride-Through SystemsHitec’s Ride-Through system has been developed to bridge short
interruptions in the mains voltage. It provides 15 seconds of
Ride-Through power at full load, which is sufficient to overcome the
majority of power disturbances of the Utility supply. The Ride-Through
system can also bridge the gap between a power outage and the time
required to start a standby diesel genset and so it can be used as part
of a complete power protection system as the system also continuously
conditions the power to the critical load. Its main application will be
for customers who have already sufficient back up power from standby
diesel gensets but require continuous and conditioned power for their
mission critical processes and so avoid downtime.
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Hitec Power Protection Ltd
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