Page 14 - May 2019

Ultimate defence with

robust and reliable

medium voltage solutions

Ensure a reliable end-to-end solutions provider
for your defence requirements, NHP o ers an
extensive range of medium voltage solutions,
allowing application exibility as well as higher
productivity and safety.

From quality medium voltage switchgear to long-
lasting transformers and market leading substation
and automation solutions, the NHP medium voltage
range can be customised to suit your speci c
performance criteria and are reliable, robust and
built to last.

When it comes to medium voltage, trust NHP to
engineer a customised solution to help you gain
a competitive edge.
NHP90581 11/17
NHP ELECTRICAL ENGINEERING PRODUCTS
1300 NHP NHP | nhp.com.au |

5/12/2017 3:49 PM
90581_RAAF wings half page v3.indd 1
Ensuring personnel and asset protection with fast arc quenching
Arc faults have been a hot topic in the provides an efficient and also simple arc operation very quickly in case of an
electrical industry for more than a decade fault protection not only for switchgear in internal fault. Moreover, The Arc Killer
with much of the discussion centred substations but also in the ring network fast operation allows full containment of
on aging oil-based medium voltage without the need to send a remote trip the arc fault within switchgear enclosure
switchgear and the increased risk that signal to upstream CB, unlike typical without need for external ducting or
they pose. systems based on arc flash relay. venting. Consequently the substation
NHP Medium Voltage Switchgear Arc Killer from NHP protects medium design is simplified and the arc fault
cubicles are designed and type tested to voltage switchgear from internal arc safety rating of switchgear is always
mitigate the consequences of internal arcs damage and allows fast restoration of maintained irrespective of where and how
and therefore protect both the operator switchgear avoiding long downtime and it is installed.
and the installation. Through a strategic huge financial loss. It also ensures the The Arc Killer technology and the
pressure release system, the internal arc highest level of operator safety in the benefits that it brings to a site highlights
is restricted to the compartment where it unlikely event of an internal arc fault, going the advantage of partnering with a medium
originated and it does not spread towards beyond requirements of the Australian voltage supplier such as NHP. In additional
the operator or to other compartments. standards. to the market leading range of switchgear
The cubicles are specifically designed Arc Killer takes arc quenching to a complete with Arc Killer technology, the
to minimise the consequences of an new level providing an improved security extended NHP medium voltage range
internal arc and forming a key component that protects valuable switchgear and can be called upon to help users leverage
of this, is the option of a built-in arc eliminates blast damage to switchrooms information to improve their operations,
quenching system ‘Arc Killer’ which can caused by the expanding gas high network efficiency and ultimate reliability.
extinguish an arc in less than 50ms. pressures and temperature generated From the successful monitoring,
Exclusive to NHP switchgear, Arc Killer by arc faults. Not only are the operator evaluation and intelligent control of
is a unique worldwide patented system and the environment are shielded from a distribution substation as well as
developed in Europe for the DF2 series harm, but the super-swift arc extinguishing substation control systems architecture,
air insulated modular type switchgear. It system allows cubicles to be back in NHP is your trusted partner.

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