load bank 負載測試器 rgr 高壓接地電阻器

Load Bank Load Bank 負載測試器負載測試器RGR RGR 高壓接地電阻器高壓接地電阻器

What Is A Load Bank?What Is A Load Bank?

Load Banks are devices designed to provide electrical loads Load Banks are devices designed to provide electrical loads for testing power sources such as for testing power sources such as

Generators and Uninterruptible Power Supplies (UPS).Generators and Uninterruptible Power Supplies (UPS).

(Dummy Load)(Dummy Load)

Normal/Emergency LoadNormal/Emergency Loadss

LoadLoad Bank Bank

Why Are Load Banks Necessary?Why Are Load Banks Necessary?

Maintain reliability of the Emergency Power SystemMaintain reliability of the Emergency Power System by testing of the engine generator (s) under load.by testing of the engine generator (s) under load.

Testing With A Load Bank Testing With A Load Bank Will Help Insure Will Help Insure

That When You Have A That When You Have A Power Failure Power Failure

Your Engine Generator Will Deliver Your Engine Generator Will Deliver

The Power It Is Required To Do!The Power It Is Required To Do!

Recommended / Required Testing OfRecommended / Required Testing Of

Engine GeneratorsEngine Generators

FrequencyFrequency

DurationDuration

CapacityCapacity

MonthlyMonthly

30 – 40 Minutes30 – 40 Minutes

50% to 60% of50% to 60% of

Engine Generator RatingEngine Generator Rating

AnnuallyAnnually

2 Hours 2 Hours

100% of100% of

Engine Generator RatingEngine Generator Rating (Resistance/Reactance)(Resistance/Reactance)

When it is unfeasible to apply actual load, When it is unfeasible to apply actual load, it is recommended to use a Load Bank it is recommended to use a Load Bank

Hospital & Health Care FacilitiesHospital & Health Care Facilities

NFPA Required Testing OfNFPA Required Testing Of

Engine GeneratorsEngine Generators

Hospital And Health CareHospital And Health Care

FrequencyFrequency

DurationDuration

CapacityCapacity

MonthlyMonthly

30 Minutes30 Minutes

50% of Nameplate Rating 50% of Nameplate Rating

Of Engine GeneratorOf Engine GeneratorAnnuallyAnnually

30 Minutes30 Minutes

100% of Nameplate Rating 100% of Nameplate Rating

Of Engine GeneratorOf Engine Generator

Your Generator Is Only As Good Your Generator Is Only As Good As Your Last As Your Last Full LoadFull Load Test! Test!

AC Kilowatts AC Kilowatts

Please Realize . . .Please Realize . . .

Assures proper KW, Voltage and FrequencyAssures proper KW, Voltage and Frequency

AC Kilowatts AC Kilowatts

Full Load TestingFull Load Testing

Confirms the Reliability ofConfirms the Reliability of

components such ascomponents such asFuel & Cooling SystemsFuel & Cooling Systems

Full Load TestingFull Load Testing

Diesel…The Preferred Fuel For Standby Diesel…The Preferred Fuel For Standby

A Diesel Engine Generator Should Always Have At Least A 50 – 60% Load A Diesel Engine Generator Should Always Have At Least A 50 – 60% Load Connected While Running - - - Or “Wet Stacking” Could Occur - - - Connected While Running - - - Or “Wet Stacking” Could Occur - - -

Another important reason to operate your standby generator Another important reason to operate your standby generator under load…under load…

““ Wet Stacking”Wet Stacking”

Unburned Fuel Causes Carbon Build UpUnburned Fuel Causes Carbon Build Up

Excessive Oil ConsumptionExcessive Oil Consumption

Reduced Horsepower….Reduced EfficiencyReduced Horsepower….Reduced Efficiency

Premature Failure Premature Failure

Wet Stacking Is Most Common . . .Wet Stacking Is Most Common . . .Applications With Varying LoadsApplications With Varying Loads

Engine Generators Sized For Pump Starting Currents Engine Generators Sized For Pump Starting Currents

All Pumps Running At One Time All Pumps Running At One Time And And

Wet Stacking Is Most Common . . .Wet Stacking Is Most Common . . . Gen-Set Was Oversized For Future GrowthGen-Set Was Oversized For Future Growth Or RedundancyOr Redundancy

Emergency BusEmergency Bus

N + 1 Engine GeneratorsN + 1 Engine Generators

Types Of Load Banks Types Of Load Banks

Radiator/Duct Mounted Radiator/Duct Mounted

Permanent/Free Standing Permanent/Free Standing

PortablePortable

Portable Load Bank Portable Load Bank

Service & Rental Applications Service & Rental Applications

Mounted On Casters Mounted On Casters

Fit Through Doorways & Elevators Fit Through Doorways & Elevators

Lightweight Lightweight

From 70KW To 500KWFrom 70KW To 500KW

Portable Load Banks Portable Load Banks From 70KW. . .From 70KW. . .

Portable Load Banks Portable Load Banks . . . To 500KW. . . To 500KW

Portable Load Bank Portable Load Bank

Trailer MountedTrailer Mounted Heavy Duty Dual Axle Trailers Heavy Duty Dual Axle Trailers

Low Profile Horizontal Discharge (Up To 1000KW) Low Profile Horizontal Discharge (Up To 1000KW)

Vertical Discharge (1400KW TO 2100KW) Vertical Discharge (1400KW TO 2100KW)

Optional Cable Reels Optional Cable Reels

From 1000KW To 2100KWFrom 1000KW To 2100KW

Portable Load BanksPortable Load Banks

Trailer Mounted Trailer Mounted From 1000KW . . .From 1000KW . . .

Portable Load BanksPortable Load Banks Trailer Mounted Trailer Mounted . . . To 2100KW. . . To 2100KW

Portable Load Banks Portable Load Banks FacilityFacility

Normal/EmergencyNormal/EmergencyLoadsLoads

Tap Tap Box Box

Portable Portable Load BankLoad Bank

Portable Portable Engine Generator Engine Generator

Synchronizing Gear Arranged Synchronizing Gear Arranged ForFor

Spare Portable Engine Spare Portable Engine Generator Generator

Portable Load Bank Portable Load Bank - Or - - Or -

Radiator Mounted Load Banks Radiator Mounted Load Banks

Dedicated Engine Generator Dedicated Engine Generator Sets Sets

Typically 50-60% Of The Generator RatingTypically 50-60% Of The Generator Rating

Radiator Mounted Load BanksRadiator Mounted Load BanksFrom 15KW . . .From 15KW . . .

Radiator Mounted Load BanksRadiator Mounted Load Banks. . . To 1000KW. . . To 1000KW

Permanently Mounted Permanently Mounted Free-Standing Load BanksFree-Standing Load Banks

Static Pressure May Be Too High For Static Pressure May Be Too High For Radiator MountRadiator Mount

Multiple Generator / Use Applications Multiple Generator / Use Applications

Permanently Mounted Permanently Mounted Free-Standing Load Free-Standing Load BanksBanks

Multiple Engine Generator Sets That Are Paralleled Multiple Engine Generator Sets That Are Paralleled

Permanently Mounted Permanently Mounted Free-Standing Load Free-Standing Load BanksBanks

FacilityFacility

Normal/EmergencyNormal/EmergencyLoadsLoads

LoadLoadBankBank

Multiple Engine Generator Sets That Are ParalleledMultiple Engine Generator Sets That Are Paralleled

Permanently Mounted Permanently Mounted Free-Standing Load Free-Standing Load BanksBanks

Multiple UseMultiple UseEngine Generator Sets Engine Generator Sets

and UPS and UPS

KK

Permanently Mounted Permanently Mounted Free-Standing Load Free-Standing Load BanksBanks FacilityFacility

Normal/Normal/EmergencyEmergencyLoadsLoads LoadLoad

BankBank

Multiple Use Multiple Use Engine Generator Sets / UPS Engine Generator Sets / UPS

For For UPS TestUPS Test

Permanently Mounted Permanently Mounted Free-Standing Load Free-Standing Load BanksBanks

From 50 to 2000 KW . . .From 50 to 2000 KW . . .

Traditionally, Traditionally, Permanently Mounted Permanently Mounted Load Banks Discharge HorizontallyLoad Banks Discharge Horizontally

Horizontal Discharge is the most Horizontal Discharge is the most economical design to provide the best economical design to provide the best protection against all environmentsprotection against all environments

When Installing a Permanently When Installing a Permanently MountedMounted Free-Standing Load Bank Free-Standing Load Bank Consider. . . Consider. . .

Free Air Space for Cooling Air & Free Air Space for Cooling Air & Hot Hot Exhaust Exhaust

Location Of Installation Location Of Installation

1KW-hour = 3,413 BTU1KW-hour = 3,413 BTU

1,000 KW – hour = 3.4 Million BTU 1,000 KW – hour = 3.4 Million BTU

Permanently Mounted Permanently Mounted Free-Standing Load BanksFree-Standing Load Banks

. . .To 2000KW. . .To 2000KW

For Applications 700-2100 KW For Applications 700-2100 KW

Heat Dissipates Heat Dissipates Vertically Vertically

Less Real Estate Less Real Estate RequiredRequired

Load Bank ControlsLoad Bank ControlsAllows Step/Block LoadingAllows Step/Block Loading

Load Bank ControlsLoad Bank Controls

Located on Located on Load Bank Load Bank

Load Bank ControlsLoad Bank Controls

Remotely Remotely

On Wall On Wall

In Paralleling Switchgear In Paralleling Switchgear

Load Bank ControlsLoad Bank Controls

In Engine Generator Paralleling SwitchgearIn Engine Generator Paralleling Switchgear

Load Bank ControlsLoad Bank Controls Load Dump CircuitLoad Dump Circuit

Disconnects Load Bank When ATS TransfersDisconnects Load Bank When ATS TransfersTo Emergency To Emergency

Avtron Load Shed ControlAvtron Load Shed Control

Supplement Actual Load To Attain; Supplement Actual Load To Attain;

50% To 60% Generator Rating 50% To 60% Generator Rating

Load Bank Load Bank

Actual Actual

20% to 70%20% to 70%

30%30%

Supplemental Supplemental

LoadLoad

Load Bank ControlsLoad Bank Controls Load Shedder OptionLoad Shedder Option

Dynamic

Facility Load

Load Shedder Option Load Bank

Load Bank ControlsLoad Bank Controls Load Shedder OptionLoad Shedder Option

Load Bank Load

Facility Load

Engine Engine Generator Generator Desired Desired Loading Loading 50% to 60% 50% to 60%

Load Shedder Automatically Regulates Load BankLoad Shedder Automatically Regulates Load Bank

Load Bank + Facility Load = Desired Loading On GeneratorLoad Bank + Facility Load = Desired Loading On Generator

What Gives Avtron It’s Premier Reputation? What Gives Avtron It’s Premier Reputation?

Built To The Highest Standards Built To The Highest Standards

Built To The Highest Standards Built To The Highest Standards

Materials/Duty/Workmanship Materials/Duty/Workmanship

Aluminized Steel vs. Galvanized SteelAluminized Steel vs. Galvanized Steel

Galvanized Galvanized Rated to 500° FRated to 500° F

Aluminized Aluminized Rated to 1250° FRated to 1250° F

What Gives Avtron It’s Premier Reputation? What Gives Avtron It’s Premier Reputation?

Stainless Steel Element Support Rods Stainless Steel Element Support Rods

Industrial Type ControlsIndustrial Type Controls

Heavy Gauge Aluminized Steel Heavy Gauge Aluminized Steel Helidyne Resistor Elements Helidyne Resistor Elements

What Gives Avtron It’s Premier Reputation? What Gives Avtron It’s Premier Reputation?

Material / Duty / WorkmanshipMaterial / Duty / Workmanship

HeavyHeavy DutyDutyHeavyHeavy DutyDutyHeavyHeavy DutyDuty

CLF Type Overcurrent ProtectionCLF Type Overcurrent Protection

Differential Pressure Air SwitchesDifferential Pressure Air Switches

Enhanced Enhanced Safety Safety ControlsControls

Enhanced Enhanced Safety Safety ControlsControls

Enhanced Enhanced Safety Safety ControlsControls

When Designing Reliability Into Your Emergency Power SystemWhen Designing Reliability Into Your Emergency Power SystemConsider Avtron Load Banks Consider Avtron Load Banks