ABB V-Contact VSC Series User Manual

3
III. Application of the X-ray emission
Standards
One of the physical properties of vacuum insulation is the
possibility of X-ray emission when the interrupter contacts
are open. The tests carried out at the PTB laboratories
(Physikalisch-TechnischeBundesanstalt,inBrunswick-
Germany) show that local emission at a distance of 10 cm
fromtheinterrupterorpolesurface,doesnotexceed
1 µSv/h. It follows that:
– at the rated service voltage the use of vacuum interrupters
is absolutely safe;
–applicationofthewithstandvoltageatpowerfrequency,
accordingtotheIEC62271-1Standard,issafe;
– application of a voltage higher than the withstand voltage
atpowerfrequencyorofadirectcurrenttestvoltage,
specifiedintheIECStandard,cannotbeused;
–limitationoftheabove-mentionedlocalphenomena,on
interrupterswithopencontacts,dependsonkeepingthe
specified distance between the contacts. This condition is
intrinsically guaranteed by correct operation of the drive and
by transmission system adjustments.
IV. Safety information
Alltheinstallation,puttingintoservice,runningand
maintenance operations must be carried out by suitably
qualified personnel with in-depth knowledge of the apparatus.
Make sure that the personnel working on the apparatus
have this manual to hand and all the information required for
correct intervention.
Strictly follow the information given in this instruction manual.
Makesurethatduringtheinstallation,serviceand
maintenance stages the standard and legal requirements
for constructing the installations in accordance with the
regulations for safety in the workplace are respected.
Check that the rated performance of the apparatus is not
exceeded during service.
V. Qualified personnel
Forthepurposesofthismanualandtheproductratingplates,
a qualified person is intended as a person who:
1) carefully reads the instruction manual all the way through.
2)hasin-depthknowledgeoftheinstallation,construction
and service of the apparatus and knows about the risks
connected with any interventions.
3)isqualifiedandauthorisedtoenergise,de-energise,earth
and identify the circuits according to the safety procedures
and the local regulations in force.
4) is qualified and authorised to put this apparatus into
service,andtocarryoutmaintenanceandrepairoperations
on it.
5)istrainedincorrectuseofprotectiveequipment,suchas
rubbergloves,hardhats,protectivegoggles,faceshields,
flameproofclothing,etc.accordingtothesafetyprocedures
and the local regulations in force.
6) is trained in first-aid procedures.
VI. Interventions in the field
ABB can provide competent and well-trained personnel for assis-
tance in the field to give technical guidance and consultancy
regardinginstallation,fullservicing,repairandmaintenanceof
apparatus.
NEPSI.COM - Northeast Power Systems. Inc.

ABB V-Contact VSC Series Specifications

General

Brand	ABB
Model	V-Contact VSC Series
Category	Industrial Electrical
Language	English