MGE UPS Systems 3.5 to 21 kVA N+1 Uživatelský manuál

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Strany 1 - Owner's Manual

3.5 to 21 kVA N+1InverterOwner's Manual

Strany 2 - IMPORTANT SAFETY INSTRUCTIONS

Figure Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page3-2 Dual Inverter and Waveform Diagram .

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Owner’s Manualpage ixHow To Use This Manual: This manual is designed for ease of use and easy location of information.To quickly find the meaning of

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(This page left blank intentionally.) 3.5 to 21 kVA N+1 Inverterpage x

Strany 5 - 3.5 kVA to 21.5 kVA Inverter

Introduction1.0 ScopeThis manual provides technical information for installation, operation, and maintenance of MGE UPS Systems’modular inverter syste

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3.5 to 21 kVA N+1 InverterIntroductionpage 1 — 2locations where commercial AC power is not available. With a built-in static transfer switch, the inv

Strany 7 - Contents

Table 1-2: Inverter Module DimensionsInverter Module HEIGHT (in/cm) DEPTH (in/cm) WIDTH (in/cm) WEIGHT (lb/kg)64004-9MSK1 5.18 / 13.3 15.12 / 38.85 15

Strany 8 - Chapter III - Maintenance

1.3.4 Power FactorRated kVA is available over a power factor range of 0.6 lagging to 0.6 leading at nominal voltage. Watt rating shouldnot be exceede

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The system measurement information is displayed on the LCD “Display” panel. Switch SW3 is pushed down (or up)to scroll the LCD’s screens for more inf

Strany 10 - 3.5 to 21 kVA N+1 Inverter

Table 1-4: Alarm ConnectionsJ21 terminal block screw position --- 1 2 3 4 5 6 7 8 9 10 11 12MAJOR ALARM --- X XMAJOR ALARM --- X XNo Major Alarm --- X

Strany 11 - IMPORTANT

1.7.6 Audible NoiseLess than 65 dBA per Type 2, IEC and ANSI SI.4, when measured in a 40 dBA environment at a distance of 4 feetfrom any surface. At

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IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONS This manual contains important instructions for all staticinverters, that must be followed during

Strany 13 - Introduction

(This page left blank intentionally.) 3.5 to 21 kVA N+1 InverterIntroductionpage 1 — 8

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Installation & Operation2.0 ScopeThis chapter describes installation of the inverters, including receiving, handling, and storage procedures; prer

Strany 15 - Owner’s Manual

2.2.0 Mechanical MountingThe equipment can be either mounted on a floor, or rack-mounted in a 19”, 23”, or 25” rack. Optionalmounting bracket kits ca

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Figure 2-1: Installation Drawing, 7 kVA Inverter SystemFOR 1", 1-1/2"CONDUITS (4 PLACES)FOR 1", 2", 3"CONDUITS (2 PLACES)FOR

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Figure 2-2: Front View, 7 kVA, System Component DescriptionSCROLLFLASHING = ALTERNATE SOURCESTEADY = PRIMARY SOURCESTATUS STATUSRED = FAULT/OPENGREEN

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2.2.1 LocationThe equipment is designed for installation in a protected environment. Factors to be considered in selecting alocation include ventilat

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Figure 2-3: Static Switch Jumper PositionsSuggested DC circuit breaker ratings:Inverter rating 3.5 kVA 7 kVA 10.5 kVA 14 kVA 17.5 kVA 21 kVADC breaker

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to the lower terminal connection landing. Note that there is room for three lugs with two holes spaced one inchapart. Cables and terminal lugs are n

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connector. Swing the “Display” panel back to its vertical position and install the two screws to hold the panel inposition. Do not tighten the screw

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2.3.5.1 Power-Up ProcedureTurn the main source DC input circuit breaker ON to apply 48VC to the system. The “controller” boards and LCD“Display” pane

Strany 23 - LEFT SIDE VIEW

WARNINGHIGH LEAKAGE CURRENT. Earth connection essential before connecting supply.ATTENTIONCOURANT DE FUITE ELEVE. Raccordement a la terre indispensa

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(This page left blank intentionally.)3.5 to 21 kVA N+1 InverterInstallation & Operationpage 2 — 10

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Maintenance3.0 ScopeThis chapter describes maintenance and service of MGE UPS Systems Modular Inverter System, including safetyinstructions, preventiv

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3.2.3 Air Intake CleaningInspect the air intake and exhaust openings for blockage. Verify that air flows freely through the equipment. Cleanthe air

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3.3 Replacement PartsReplacement parts are available from MGE UPS Systems. Contact MGE UPS Systems Customer Support Servicesfor ordering replacement

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Inverter rating 3.5 kVA 7 kVA 10.5 kVA 14 kVA 17.5 kVA 21 kVADC breaker rating 125A 250A 375A 500A 650A 750A3.4.2.2 AC Output Circuit BreakerIt is not

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3.4.2.9 Dual Half-Bridge InvertersIn or to provide more choices of output voltage, two identical half-bridge inverters are used to produce either120VA

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(This page left blank intentionally.)3.5 to 21 kVA N+1 InverterMaintenancepage 3 — 6

Strany 31 - Maintenance

Owner’s ManualTheory of Operation page 4 — 1Theory of OperationThis chapter describes the theory of operation of the S4 inverter system.4.0 SCOPEThe f

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Figure 4-1: Block Diagram of the 21 kVA Inverter System3.5 to 21 kVA N+1 InverterTheory of Operationpage 4 — 2

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Figure 4-2: Block Diagram of the S4 Inverter Power System4.3 Alarm RelaysLocated just to the left side of the “Controller” printed circuit board card

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3.5 to 21 kVA N+1 Inverterpage ii

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4.5 DC Input Power ConnectionsThe “Receiver” cabinet also contains the DC distribution bus bar system, which is called a “DC Raceway”. Itconsists of

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Figure 4-3: Block Diagram of Power ModuleOwner’s ManualTheory of Operation page 4 — 5

Strany 37 - Theory of Operation

Figure 4-4: Voltage and Current Waveforms of DC/DC Battery Booster3.5 to 21 kVA N+1 InverterTheory of Operationpage 4 — 6

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4.7.1 Power Module ConfigurationThe power module output current is approximately 10A/volt when it is configured for 120VAC, 5A/volt when config-ured f

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4.7.1.2 InverterThe boost transformer has two secondary windings, 22 turns, center tapped at 11 turns. The two secondarywindings, which are rectified

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4.7.1.2.4 Average Current ModeIf the inverter “current command” control signal can be made to control a current source (or sink), then the pole/zeroas

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the two signals is not zero, then the inverter has failed. The inverter must be disconnected and shut down. Shutdown is accomplished by opening the

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zero to +5V. The +2.495V is used as the reference for the LMC660 amplifiers, signal transformers, which are usedto measure the AC input and load volt

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Function Micro Input at Input at Input at Input at Notes:port 0.250V 0.500V 4.500V 4.750VI backfeed P0.0 V>+/-1VIbat, battery current. P0.1 133.27

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4.8.1.7 High Voltage DriversThe processor PCB also has a high voltage transistor array (ULN7002), which is used to control the tri-colored“STATUS” LED

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This manual covers these models:Product: List number: Comcode reference: Rating:64034 407-607-853 3.5 kVA64074 7.0 kVA64104 10.5 kVA64144 14.0 kVA6417

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4.8.2.1 Static Switch DriverOn the right-hand side panel of the “receiver” cabinet is the “Static Switch” gate driver printed circuit board. Thisboar

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The output of this current transformer is clamped to a maximum of +/-1.1V by means of back-to-back diodes, whichis in parallel with a high value burde

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(This page left blank intentionally.)3.5 to 21 kVA N+1 InverterTheory of Operationpage 4 — 16

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GlossaryAppendix ASymbols Definition/Meaning@ At./ And/or.+/- Plus or Minus.# Number.°C Degree Celsius.°F Degree Fahrenheit.Ø Phase angle.W Ohm; unit

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DC or dc Direct current.Digital Meter The LCD display on the front panel of inverter system.Earth ground A ground circuit that has contact with the ea

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NFPA National Fire Protection Association.NO. or No. Part number.On-line mode Inverter output power is the primary energy source to load.Off-line mode

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3.5 to 21 kVA N+1 InverterOwner’s Manual3.5 to 21 kVA N+1 Inverterpage ivWarrantyThe liability of MGE UPS Systems, Inc. hereunder is limited to replac

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Owner’s ManualContents page vContentssection description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pageImportant Saf

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3.5 to 21 kVA N+1 InverterContentspage visection description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pageChapter I

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Owner’s ManualContents page viisection description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pageChapter IV - Th

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