Hitec
UPS Rotary Diesel Dual Output
Data Centre Solutions
Hitec’s UPS Rotary Diesel Output (DRUPS) system is
currently the only UPS to have gained Uptime Institute ‘Tier’
certification at a data centre application within the UK, Europe and the
whole of the EMEA. Low Voltage or Medium Voltage
System
For relatively lower power UPS applications,
low voltage ups 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
Uninterruptible Power Supplies System - MV Diesel Rotary UPS Systems
Many 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.
Reasons to use MV DRUPS Systems include:
-
Low fault current compared to both standard
circuit breaker & switchboard ratings
-
A greater number of modules can be connected
together in parallel
-
Lower operating currents allows the use of
smaller size MV cables
-
More cost effective installation for substantial
facilities & sites covering a large area
Active Redundancy Control - Continuous Support of IT
& Cooling Critical Loads with MV UPS Systems
With 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 DR-UPS system, while in no way compromising the security
of the IT loads. Ride-Through Systems
Hitec’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.
Ride-Through modules are rated at 1250 kVA (1000 kW) and can operate at
up to 22 kV. Modules can be paralleled to give both higher output power
systems and longer ride through durations.
Request information:
Hitec - Dual output
rotary diesel UPS diesel rotary UPS HITEC
Technical information associated with:
Hitec Power Protection Ltd UPS - Dual Output Design Guide
Technical information associated with:
Hitec Power Protection Ltd UPS - System Configurations part 1
Technical information associated with:
Hitec Power Protection Ltd UPS - System Configurations part 2
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