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A 1N electrical configuration can be achieved by providing all required electrical feeders from a common
power source and from common switchboards, and transformers.
A 2N electrical configuration can be achieved by feeding parallel power paths from independent power
sources, switchboards, and transformers.
IMPORTANT: The required neutral must be provided as part of the 800 A 415VAC Y direct
connection to the HP POD 40c G2.
IMPORTANT: All 3-Phase Wye feeders for the HP POD 40c G2 require that the neutrals and the
equipment grounding conductors remain isolated. Bonding of the two conductors is allowed at
the power source only.
Transformers and switchboards
The input power for the critical IT loads requires a source of 380-415V, 3-Phase Wye power. To achieve this
input power, a custom transformer might be required if it does not already exist at the source. In addition to
the overall loading and KVA size, you must consider the Harmonic Content of the installation when
specifying the K-Factor of the transformer. Alternatively, you can use Harmonic Mitigating Transformers to
passively cancel the harmonics generated by the IT Equipment.
HP offers several power solutions that include automatic transfer switching, UPS backup, transformers and
output distribution switchboards to supply your power needs.
On-site connections might include:
•
Main facility power to the primary side of the transformer
•
Transformer to the switchboard
For connection information, see the HP Site Preparation Drawing Package (on page 23).
Site requirements
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