Smart Wires 01004 Power Guardian System User Manual Power Guardian User Guide

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©2018SmartWiresInc.

POWERGUARDIAN™USERGUIDE

GENERALPRODUCTOVERVIEW

SmartWiresGuardiantechnologyincreasestransmissionlinereactancebyinjectingmagnetizing

reactanceinserieswiththeline.ThefirstgenerationoftheGuardianTMproductlinewasthePowerLine

Guardian®whichisaconductor‐mounteddevice.ThePowerGuardian390operatesusingthesame

electricalconfigurationasthePowerLineGuardianbutprovide20‐60timesmorereactanceforagiven

currentratingthanthePowerLineGuardian.Byleveragingthetechnologydevelopmentandlessons

learnedfromthePowerLineGuardian,SmartWiressolutionswiththePowerGuardian390can

significantlyreduceunitrequirementstoachievethesameoverallreactance,andpushpowerto

underutilizedcircuits.ThePowerGuardian390isinstalledonasingle‐phasebasis,meaningthatfor

mosttransmissionanddistributiondeployments,therewillbeanequalnumberofunitsperphase.



FIGURE1.POWERGUARDIANWITHMOUNTINGBRACKET(WITHOUTCORONARINGS)



ELECTRICALOPERATIONOFASINGLEMODULE

ThePowerGuardian390deviceinjectsmagnetizingreactancetoincreasethelineimpedanceand

“push”powerontoparallellines.ThePowerGuardian390deviceisconnectedinserieswiththepower

circuit,operatedatlinepotentialandhasnoconnectiontoground.Thistechnologyisparticularly

effectiveinhighlymeshedelectricgridswheresparesystemcapacitycanbeutilizedtoresolveoverload

situations.Figure2illustratesthebasicelectricalconfigurationofthePowerGuardian390.

CurrentTransformers

EachPowerGuardian390isequippedwithtwoCurrentTransformers(CTs).Thefirstcurrent

transformer(CT

),isusedtoharvestasmallamountofpowerfromthetransmissionlinetopowerthe

controlandcommunicationscircuitsinthedevices.ThereisanotherseparateCT(notshown)that

sensesthelinecurrentandfeedsintothecontrolcircuitry.

©2018SmartWiresInc.

InjectionReactor

TheReactorisusedtoinjectmagnetizingreactance(X

)inserieswiththeline.Thesizeofthereactoris

similaracrosstheproductratedcurrentrange,butthenumberofwindingsinthepathofthepowerline

variesfromModeltoModel.

FIGURE2.POWERGUARDIAN390SYSTEMDIAGRAM

POWERGUARDIANCONTROL

ThePowerGuardian390hastwodistinctmodesofoperation,withgranularperformanceateachdevice

describedasbelow.

1. InjectionMode‐thenormally‐opencontactorS

remainsopen,andmagnetizingreactance(X

)

isinjectedontotheline.Themagnitudeofthismagnetizingreactanceisdefinedbythedevice

rating.ThePowerGuardian390iscapableoftransmittingtelemetrydatainthismode.

2. MonitoringMode‐noreactanceisinjectedasS

isclosedandthereactancecoupling

transformerisshorted.ThePowerGuardian390iscapableoftransmittingtelemetrydatainthis

mode.WhenthePowerGuardian390sensesalinecurrentwhichexceedsitsratedtolerance,it

automaticallyshortsthesecondarywithfast‐actingantiparallelsilicon‐controlledrectifier(SCR)

switches(S

),enteringmonitoringmodewithin1millisecond.

Wheneverthedeviceswitchesfromonemodetoanother,theantiparallelSCRswitches(S

)areengaged

duringtheshorttimeofcontactorstatechange.Thispreventsarcingandprolongsthecontactorservice

life.

SeethePowerGuardianProductSpecificationsheetformoredetailsonperformance.

©2018SmartWiresInc.

CONTROLMETHODS

TherearethreeControlmethodsforthePowerGuardian390,definedbytheirlevelsofautomationand

communicationrequirements.AdeploymentofPowerGuardian390devicesonlyfunctionsinasingle

manneratanygiventime.

1. Static–Thisisthesimplestcontrolmethod.ThedeploymentofPowerGuardian390devices

continuouslydeliversthedesiredlevelofreactance(thesystemisstatic)anddoesnotrequire

backhaulcommunications.Thelevelofinjectedreactancecanbeadjustedbyusinglocal

communicationsandistypicallyadjustedonaseasonalbasistoaccommodatevariousreliability

needs.

2. Manual–Thismethodissimilartostaticcontrol,howeverbackhaulcommunicationsare

enabled.Thisfunctionalityallowsformanualremote‐controlofthePowerGuardian390

deploymentbythesystemoperator.OperatorscanchangetheOperatingMode(Injectionvs.

Monitoring)ofindividualand/orgroupsofPowerGuardian390devices.Thisenablesreal‐time

flexibilityofpowerflowcontrol.

3. Set‐point–Withthismethod,nomanualcontrolisrequired,butbackhaulcommunicationsare

necessary.ThedeploymentofPowerGuardian390devicesoperateautonomously,switching

frommonitoringtoinjectionmode(andvice‐versa)basedonthereal‐timelinecurrentor

conductortemperature.Theseset‐pointsareuser‐definedandconfigurable.Anynumberofset‐

pointconfigurationscanbecreatedbyoperatorswithintheSmartWiressoftwareplatform.

PRODUCTCOMPONENTS

ThemajorcomponentsofthePowerGuardian390areshownbelowinFigure3.

FIGURE3.POWERGUARDIAN390COMPONENTS

A–CommunicationsandControl–thissideoftheunitcontainsallthecommunicationand

controlcircuitry.

B–PowerGuardian390Reactor–thissideoftheunitcontainsthereactor.

C–YokePlate–thisplateisthefixturepointforinsulatorssupportingtheunitfromabove.

©2018SmartWiresInc.

D–NEMAPad–thisistheelectricalconnectionpointfortheunit,oneoneachside.

E–CoolingFins–thesedrawheatfromtheinternalunitcomponentsanddissipatetheheat

externally.

Regulatory Compliance User Notice:

L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et

Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux

deux conditions suivantes :

1. L’appareil ne doit pas produire de brouillage;

2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en

compromettre le fonctionnement.

Étiquette de conformité à la NMB

003 d’Innovation, Sciences et Développement économique Canada : CAN ICES

3 (A)/

NMB

3 (A)

FCC:

dŚŝƐĞƋƵŝƉŵĞŶƚŚĂƐďĞĞŶƚĞƐƚĞĚĂŶĚĨŽƵŶĚƚŽĐŽŵƉůǇǁŝƚŚƚŚĞůŝŵŝƚƐĨŽƌĂůĂƐƐ ĚŝŐŝƚĂůĚĞǀŝĐĞ͕ƉƵƌƐƵĂŶƚƚŽƉĂƌƚϭϱŽĨƚŚĞ

&ZƵůĞƐ͘dŚĞƐĞůŝŵŝƚƐĂƌĞĚĞƐŝŐŶĞĚƚŽƉƌŽǀŝĚĞ ƌĞĂƐŽŶĂďůĞƉƌŽƚĞĐƚŝŽŶĂŐĂŝŶƐƚŚĂƌŵĨƵůŝŶƚĞƌĨĞƌĞŶĐĞǁŚĞŶƚŚĞĞƋƵŝƉŵĞŶƚŝƐ

ŽƉĞƌĂƚĞĚŝŶĂ ĐŽŵŵĞƌĐŝĂůĞŶǀŝƌŽŶŵĞŶƚ͘dŚŝƐĞƋƵŝƉŵĞŶƚŐĞŶĞƌĂƚĞƐ͕ƵƐĞƐ͕ĂŶĚĐĂŶƌĂĚŝĂƚĞƌĂĚŝŽĨƌĞƋƵĞŶĐǇ ĞŶĞƌŐǇĂŶĚ͕ŝĨŶŽƚ

ŝŶƐƚĂůůĞĚĂŶĚƵƐĞĚŝŶĂĐĐŽƌĚĂŶĐĞǁŝƚŚƚŚĞŝŶƐƚƌƵĐƚŝŽŶŵĂŶƵĂů͕ŵĂǇĐĂƵƐĞ ŚĂƌŵĨƵůŝŶƚĞƌĨĞƌĞŶĐĞƚŽƌĂĚŝŽĐŽŵŵƵŶŝĐĂƚŝŽŶƐ͘

KƉĞƌĂƚŝŽŶŽĨƚŚŝƐĞƋƵŝƉŵĞŶƚŝŶĂƌĞƐŝĚĞŶƚŝĂů ĂƌĞĂŝƐůŝŬĞůǇƚŽĐĂƵƐĞŚĂƌŵĨƵůŝŶƚĞƌĨĞƌĞŶĐĞŝŶǁŚŝĐŚĐĂƐĞƚŚĞƵƐĞƌǁŝůůďĞƌĞƋƵŝƌĞĚ

ƚŽĐŽƌƌĞĐƚ ƚŚĞŝŶƚĞƌĨĞƌĞŶĐĞĂƚŚŝƐŽǁŶĞǆƉĞŶƐĞ͘

IC:

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic

Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference.

2. This device must accept any interference, including interference that may cause undesired operation of the device.

Innovation, Science and Economic Development Canada ICES

003 Compliance Label: CAN ICES-3(A)/NMB-3(A)

To comply with RF exposure limits established in the ANSI C95.1 standard, the distance between the antenna or antennas and the user should not be less

than 20 cm for USA and Canada

This product does not contain any user serviceable components. Any unauthorized product changes or modifications will invalidate warranty and all

applicable regulatory certifications and approvals, including authority to operate this device.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference,

and (2) this device must accept any interference received, including interference that may cause undesired operation.

Canada – Industry Canada (IC)

This device complies with Industry Canada RSS-247 and license-exempt RSS standard(s).

Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including

interference that may cause undesired operation of the device.

Ce dispositif est conforme à lanorme CNR-247 d'Industrie Canada applicable aux appareils radio exempts de licence. Son fonctionnement est sujet aux deux

conditions suivantes: (1) le dispositif ne doit pas produire de brouillage préjudiciable, et (2) ce dispositif doit acceptertout brouillage reçu, y compris un

brouillag

e susceptible de provoquer un fonctionnement indésirable.

Smart Wires 01004 Power Guardian System User Manual Power Guardian User Guide

Smart Wires, Inc. Power Guardian System Power Guardian User Guide

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