The
Exeltech MX Series of inverters is a modular system which can be
assembled in many combinations to afford the user infinite flexibility.
All MX systems feature manual power adjustment allowing power modules
not in use to be turned off, reducing "no load" current drain. Options
such as AC distribution, AC disconnect, metering, DC disconnect, DC
distribution, transfer switch and maintenance bypass switch are also
available; (see accessories).
The
building blocks of the system are as follows:
1.) Power Module
- A 1000 Watt slave power inverter. It requires drive signals from a
Master Module or Control Card as described below. This module is the
backbone of the inverter system.
2.) Master Module
- A 1000 Watt power inverter which contains all the electronics
necessary to operate. Requires an enclosure to provide connections to
the battery and AC output. It can also operate up to 19 slave Power
Modules. If this module is used, the system cannot be fully redundant.
All MX systems require either a master module or at least one control
card.
3.) Control Card
- Generates all the signals necessary to operate up to 20 Power
Modules. The card itself will not generate any AC output power nor does
any power flow through it. This card can be paralleled with another
Control Card to generate a redundant set of control signals to form the
basis of a completely redundant inverter system. All MX systems require
either a master module or at least one control card.
4.) Alarm Card
- Can be used in conjunction with a redundant or non redundant inverter
to provide various alarm output signals via LED's and alarm contact
closures. Must be included in redundant systems to detect failure of
control card.
5.) Transfer Switch
- Provides the same functions as the alarm card, plus provides a relay
to transfer AC power to the load, from either the inverter or the
utility input. Use only with systems 7KW of or less.
The above
modules can be placed in the following enclosures; Installations can
either be free standing or in standard relay racks.
1.) 19" cage assembly
- Compatible with a 19" relay rack. The smallest cage which can contain
a redundant system. Available in the following configurations:
19A -
Basic configuration for a redundant system. Holds up to 4 Power
Modules, 2 Control Cards and either a Transfer Switch or an Alarm Card.
19B - Used
as an expansion rack or may be used as an expandable, non redundant
inverter, up to 5 KW. This configuration will not accept X-fer Switch,
alarm card or control cards.
2.) 23" cage assembly
- Compatible with a 23" relay rack.
23A -
Basic configuration for a redundant system. Holds up to 5 Power
Modules, 2 Control Cards and either a Transfer Switch or an Alarm Card.
23B - Used
as an expansion rack or may be used as an expandable, non redundant
inverter, up to 6 KW. This configuration will not accept X-fer Switch,
alarm card or control cards.
3.) 7" cage assembly
- for 1 or 2KW systems when redundancy is not required.
7C -
Consists of 1 Transfer Switch and 1 Master Module. This configuration
will not accept an alarm card or control cards.
7B -
Expandable up to 2KW. 1 Master Module and 1 Power Module. This
configuration will not accept X-fer switch, alarm card or control cards.
4). 9" cage assembly-
for 1-3KW systems when redundancy is not required.
9C -
Consists of Transfer Switch, 1 Master Module and 1 Power Module. This
configuration will not accept an alarm card or control cards.
9B -
Expandable up to 3KW. 1 Master Module and 2 Power Modules. This
configuration will not accept X-fer Switch, alarm card or control cards.
The
Exeltech MX Series of inverters is available in three basic
architectures; redundant, upgradable and expandable. Different options
and sizes are available to fit varying applications. As a benefit of
the MX series modular design, power levels are expandable in any
system, as power requirements increase.
1.) N+1
Redundant-Expandable Inverter System: For applications where
reliability and maintainability are paramount, the N+1 redundant system
offers the most cost effective method of achieving redundancy and the
ability to maintain the system while loads remain on line. All cards
(except 12 Vdc) are "hot" insertable to allow maintenance without
interrupting power to critical loads. Designing the power level with
N+1 number of power modules, allows for redundancy without
necessitating the purchase of a duplicate system. (An A/B Buss option
is available, which adds to system reliability).
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A redundant
system consists of: |
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1 ea. Alarm Card part #
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H (100 Vac)
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A (120 Vac)
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F (230 Vac)
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2 ea. Control Cards part #
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LL (100 Vac)
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CC (120 Vac)
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EE (230 Vac)
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At least 3 Power Modules part #
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P (100 Vac)
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P (120 Vac)
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R (230 Vac)
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1 ea. Cage assembly part #
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1A (19" cage)
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2A (23" cage)
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Options: 1 ea. X-fer switch part #
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G (100 Vac)
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X (120 Vac)
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Z (230 Vac)
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expansion rack part #
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1B (19" cage)
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2B (23" cage)
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...integrates with rack A for accommodating additional power
modules, up to total rating of 20KW. Additional control cards and a
larger X-fer switch may be required. Please call the factory for
assistance.
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X-fer switch includes
alarms and replaces the alarm card. |
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2.)
Upgradable Inverter System: The Upgradable system
offers the flexibility to add a X-fer switch or alarm card and Full
Redundancy for future requirements. A minimum system with as little as
one control card and one power module can be upgraded in the future to
include additional power modules, X-fer switch or alarm card and an
additional control card for full redundancy (see figure II). |
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1 ea. Cage assembly part #
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1A (19" cage)
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2A (23" cage)
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1 ea. Control Card part #
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L*(100 Vac)
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C*(120 Vac)
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E*(230 Vac)
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1 ea. Power Module part #
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P (100 Vac)
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P (120 Vac)
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R (230 Vac)
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Options: 1 ea. X-fer Switch part #
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G (100 Vac)
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X (120 Vac)
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Z (230 Vac)
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Options: 1 ea. Alarm Card part #
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H (100 Vac)
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A (120 Vac)
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F (230 Vac)
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3.)
Expandable inverter system: This configuration can
be used as an independent inverter system (figure III), or to expand
power levels of existing MX systems (see stacked systems). By using one
master module, a system may be expanded to include a X-fer switch and
additional power modules(see figure IV). 1KW inverters with a X-fer
switch use the 7"or 9" (part # 7C, 9C) cage. 1KW, 2KW and 3KW inverters
without a X-fer switch use the 7" or 9" (part number 7B, 9B) cage
assembly. |
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1 ea. Cage assembly part #
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1B (19" cage)
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2B (23" cage)
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7B (7" cage)
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9B (9" cage)
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expansion rack (see stacked systems)
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1 ea. Master Module part #
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Q* (100 Vac)
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M* (120 Vac)
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O* (230 Vac)
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Up to 5 Power Modules part #
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P (100 Vac)
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P (120 Vac)
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R (230 Vac)
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1 ea. Cage assembly part #
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1A (19" cage)
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2A (23" cage)
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7C (7" cage)
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9C (9" cage)
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Options: 1 ea. X-fer Switch part #
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G (100 Vac)
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X (120 Vac)
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Z (230 Vac)
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1 ea. Master Module part #
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Q* (100 Vac)
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M* (120 Vac)
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N* (230 Vac)
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Alarm card is not an
option when a Master Module is used. |
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Output
Power
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Continuous Power
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Surge Power (3
Seconds)
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No Load Power
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Output Voltage
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Output Current
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Weight LBS.
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1000 Watt
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2200 Watts
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20 Watts
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230 +/- 6%
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4.3
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7.5
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1000 Watt
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2200 Watts
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20 Watts
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120 +/- 6%
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8.6
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7.5
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1000 Watt
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2200 Watts
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20 Watts
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100 +/- 6%
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10.0
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7.5
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*10W with X2 option |
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**remote switchable |
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Input
Power |
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Model Voltage
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Minimum
(Typical)**
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System (Typical)
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Maximum
(Typical)**
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Typical
Efficiency @ Full Power
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Peak Efficiency
@ 1/3 Power
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12Vdc
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10.4/10.6Vdc*
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13.8Vdc
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16.5Vdc
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85%
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87%
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24Vdc
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19/21Vdc*
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27.6Vdc
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33Vdc
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87%
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89%
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32Vdc
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26.5/28Vdc*
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36.8Vdc
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44Vdc
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88%
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90%
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48Vdc
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41.5/42.1Vdc*
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55.2Vdc
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62Vdc
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87%
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89%
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66Vdc
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57.5/58.5Vdc*
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75.9Vdc
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91.1Vdc
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88%
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90%
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108Vdc
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94/95Vdc*
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125Vdc
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149Vdc
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87%
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90%
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*Indicates typical cut-off
voltage/warning buzzer voltage |
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** +/- 3% |
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General |
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Conditions
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Minimum
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Typical
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Maximum
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Waveform
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-
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Sinusoidal
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-
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Voltage Output
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- 5%
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Nominal
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+5%
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Line Regulation
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-
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0.1%
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0.5%
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Load Regulation
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-
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0.5%
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1%
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Distortion
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-
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1.5%
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2%
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Frequency
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-0.1%
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Nominal
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+0.1%
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Mechanical |
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Four
case sizes are available; all are: 7" high X 15" deep.
19 inch Wide:
(includes hardware for rack or shelf mounting) | 19
inch cage drawing
23 inch Wide:
(includes hardware for rack or shelf mounting) | 23
inch cage drawing
9.97 inch Wide:
(for 1 to 3KW applications: surface mounting only) | 9
inch cage drawing
7 inch Wide:
(for 1 or 2KW applications; surface mounting only) | 7
inch cage drawing
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Protection
Cicuitry |
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Over Voltage*: Shut off at maximum input voltage,
per input conditions. Automatic reset upon fault correction.
Under Voltage*: Shut off at minimum input voltage,
per input conditions
Thermal*: 105
C internal temperature. Warning buzz 5 C before shut off
Output Short: Unit shuts off (manual reset)
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*Automatically reset |
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Environmental |
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Temperature:
-25 to 40 C full power derated above 40 C. Derate 20% per 10 C.
Humidity: 5
to 95% non condensing
Altitude:
-200 to 10k feet full power, derated above 10k
Audible Noise: Less than 45dbA
Cooling:
Thermo-statically controlled forced air.
Finish:
Painted aluminum
Warranty: Full
year parts labor View the > Limited
Warranty
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