MGE UPS Systems Comet TM 5 - 30 kVA user manual Selection of cable cross-sections

Page 53

selection of cable cross-sections

The cross-section of cables depends on:

■current levels (temperature rise);

■permissible line voltage drop (3% for AC circuits, 1% for battery circuits);

■installation (cable rack, troughs, etc.).

Consult the applicable standards to determine the minimum cross-sections for the desired currents.

Each of the above parameters, for a given type of Comet, is important in determining the minimum permissible cross-sections.

When confronted with several possibilities, always select the larger value. Cables must be flexible type.

The currents indicated below are maximum values given for minimum voltages:

Comet

Comet

absorbed line currents (A)

 

 

 

rated output

AC input

AC output

battery option

 

 

(kVA)

current (XR1)

current (XR2)

(XR3)

series 11

5

26

 

23

30

 

 

 

 

 

 

 

 

 

7.5

40

 

35

48

 

 

 

 

 

 

 

 

 

10

52

 

46

46

 

series 31 (1)

5

23

(9)

23

30

 

 

 

 

 

 

 

 

 

7.5

35

(14)

35

48

 

 

 

 

 

 

 

 

 

10

46

(18)

46

46

 

 

15

69

(27)

69

76

 

 

20

91

(36)

91

75

 

series 33 (2)

10

18

(26)

15 (26)

46

 

 

 

 

 

 

 

 

 

15

27

(40)

23 (40)

76

 

 

 

 

 

 

 

 

 

20

36

(52)

30 (52)

75

 

 

 

 

 

 

 

 

 

30

54

(78)

45 (78)

112

 

 

 

 

 

 

 

 

Note 1: when a "separate Mains 2" option is installed on Comet series 31 for the AC bypass input, the values in parentheses correspond to Mains 1 line currents and the others to Mains 2 line currents.

Note 2: for Comet series 33, during operation on the "static bypass" at rated output for a non-linear load, the values in parentheses correspond to the current in the AC input line neutral.

For connections to the AC input power supply and to the load, Comet terminal blocks accept the following cable cross-sectional areas:

Comet

Comet rated output

cross-sectional areas (mm2)

 

(kVA)

flexible cables

rigid cables

series 11 and

5

0 to 4

0 to 6

series 31

 

 

 

7.5 and 10

0 to 10

0 to 16

series 31

15 and 20

16 to 35

16 to 35

series 33

10 and 15

6 to 16

6 to 25

 

 

 

 

 

20 and 30

16 to 35

16 to 35

 

 

 

 

Merlin Gerin by MGE UPS SYSTEMS

Comet installation and user manual: E-6761200XT/FB

11.5

Page 52 Page 54
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Page 52 Page 54
Contents Comet 30 kVA Merlin GerinSafety recommendations Sikkerhedsforskrifter NorskRecomendações de segurança PortuguêsTurvallisuusohjeet SuomalainenSäkerhetsföreskrifter SvenskContents Options Maintenance and servicingAppendices GlossaryConfiguration Safety information Identification to CometIntroduction to Comet Identification plateKey for figures 2 to Functional diagramComet layout seen from above GeneralFinal positioning figure Special precautions InstallationElectrical diagram for power connections Connection diagram for a single AC inputConnection sequence for 5 kVA Comet Connection of power cables figures 10 toConnections for Comet series 31 5kVA Connections for Comet series 11 5kVAConnections for Comet series 11 7.5/10kVA Connection sequence for Comet other than 5kVAConnections for Comet series 33 10/15/20/30kVA Connections for Comet series 31 7.5/10/15/20kVABasic controls and indications Controls and indicationsControls and indications Key to figureThis light indicates that Comet is Inverter on button Inverter off button BuzzerBuzzer reset Controls and diagnostics display figureFault reset Diagnostics displayManual maintenance bypass switch Powering up to CometStart-up Preliminary checksInverter start-upsystem in manual start-up mode Inverter shutdown Powering downShutdown Merlin Gerin by MGE UPS Systems Normal operation Operation on battery power figureOperation Return of AC input power Battery durationInverter Overload curve Battery monitoring testsStatic bypass Overload curve When an overload occursOverloads on 5 kVA Comet S11 or S31 Mains 2 out of tolerance Merlin Gerin by MGE UPS Systems Status or action producing the indication AlarmsAlarm indications table End of battery power Battery circuit breaker in off positionManual bypass Chopper overtemperature see faultManual bypass switch SUB-D 15-pin connector SUB-D 15-pin connector connectionCommunication Standard functionsContact Monitor PlusTalk Jbus / RS232 and Jbus / RS485Safety reminder Preventive maintenance by user Maintenance and servicingBattery maintenance Visual checkAnnual check Maintenance contractsCustomer training Options Extended battery cabinetAdditional battery cell characterisitics Connection of an additional battery cabinet Connection of an additional battery cabinetShunt trip connection Connection diagram for MX shunt trip to terminal block XR3Emergency off Full galvanic isolation transformer standard Comet equipment Power connection diagramsSeparate Mains 2 transformer AC bypass input Power connection diagramFrequency converter Hot standby system Harmonics filter Full isolation transformer and separate Mains 2 transformer Combined optionsFull isolation transformer and harmonics filter Example of a Comet seriesRelative positions of the various cubicles Separate Mains 2 transformer and harmonics filterAppendices General characteristicsRange characteristics Comet series 11 general characteristics Comet series 31 general characteristics Comet series 33 general characteristics Selection of cable cross-sections Selection of protection devices Schematic diagram for protection devices11.7 Connection of the cable shielding Glossary 12.2 6761200XT MGE UPS Systems S.A

Comet TM 5 - 30 kVA specifications

MGE UPS Systems Comet TM 5 - 30 kVA is a reliable and efficient uninterruptible power supply (UPS) designed to ensure the smooth operation of critical systems in various applications. This UPS is particularly suited for data centers, telecommunications, and industrial environments that require high availability and robust power protection.

One of the main features of the Comet TM series is its modular design, which allows users to scale the UPS capacity as needed. This flexibility is crucial for businesses that anticipate growth or fluctuating power requirements. The UPS is available in a range of capacities, from 5 kVA to 30 kVA, allowing for tailored solutions that fit specific power needs.

The Comet TM is equipped with advanced double conversion technology, which provides clean and reliable power, isolating the connected equipment from input voltage disturbances. This technology ensures that any fluctuations in the mains supply, such as voltage sags or surges, do not affect the operation of sensitive electronic devices. Additionally, this UPS features a wide input voltage range that contributes to improved efficiency and reduced energy consumption.

An impressive aspect of the Comet TM is its high-efficiency mode, which optimizes energy consumption while maintaining power quality. This mode reduces operating costs and contributes to lower carbon footprints, making it an environmentally friendly choice. Furthermore, the UPS incorporates intelligent battery management systems, which enhance battery performance and extend their lifespan. This is essential in minimizing downtime and ensuring that backup power is readily available when needed.

The user-friendly interface of the Comet TM allows for easy monitoring and management of the system. With graphical displays and comprehensive alarms, users can promptly identify potential issues and take corrective actions. Remote management capabilities are also built into the system, enabling users to monitor and control the UPS remotely, which is particularly beneficial for businesses that operate across multiple locations.

In summary, the MGE UPS Systems Comet TM 5 - 30 kVA is designed for organizations that need reliable power protection and high efficiency. With its modular scalability, advanced double conversion technology, high-efficiency mode, intelligent battery management, and user-friendly interface, the Comet TM series stands out as a robust solution for critical power applications. Its combination of features ensures that businesses can maintain uninterrupted operations while benefiting from cost savings and a reduced environmental impact.
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