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Industrial Grade Static Ac Voltage Stabilizers

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“1kVA –500 kVA” “230 Vac or 400 Vac / 50-60 Hz” Single and Three-Phase Units
These high reliability, high efficiency and high reliability Static Voltage Stabilizers cover a wide range of needs from 1 kVA single-phase to 500 kVA three-phase.
On the rear face of this document you can find the technical specifications of various units.

Input Voltage Range Single-Phase: 160-260 Vac; Three-Phase: 270-450 Vac
Standard Single Phase Units 1 - 2 - 3.5 - 5 - 10 - 15 - 20 - 30 kVA
Standard Three Phase Units 6 - 10 - 15 - 20 - 30 - 45 - 60 - 90 - 120 - 150 - 200 - 250 300 - 400 - 600 kVA
Frequency 50 Hz (can be made for 60 Hz on demand)
Speed of Regulation Above 500 V / second
Output Voltage Stability +/-1% or +/-2%; according to customer request
Load Endurance 100% continuous; 125% ten minutes; 150% one minute; higher loads are instantaneously turned off
THD Almost no harmonics are introduced by the system
Efficiency From 50% to 100% load, efficiency is above 95%
Operation Temperature -20o C to +50o C
Acoustic Noise Less than 55 dB(A)
Relative Humidity Up to 90% (non-condensing)
Duration of Operation 7days a week / 24 hours a day, continuous
Electromagnetic Compatibility According to “EN-00975”
Cabinet Type All units are made in steel cabinets. The cabinets are either electrostatic epoxy powder painted, metal parts are chemically protected against corrosion. All fasteners are (screws, washers, nuts and lock washers) are made of grade 316 stainless steel. All parts of the unit can be easily accessed for service.
Cooling Units up to 150 kVA are forced air cooled by axial fans; and higher rating units are liquid cooled by closed-circuit hydraulic heat exchanger.
Mechanical Units Metric units are used throughout the design and production.
Front Panel Controls, Indicators and Connections On front panel of each unit;
* An LCD Display, showing parameters like voltages, currents, frequency, temperature and logged data
* “Power” Switch and “By-Pass” Switch
* Indication LED’s
* Input and Output connections are placed on the
bottom rear of the units.
Dimensions 1 to 15 kVA Single Phase Units;
H: 43 cm; W: 30 cm; D: 55 cm
20 to 30 kVA Single Phase Units;
H: 66 cm; W: 43 cm; D: 88 cm
10 to 30 kVA Three Phase Units;
H: 66 cm; W: 43 cm; D: 88 cm
45 to 150 kVA Three Phase Units;
H: 130 cm; W: 102 cm; D: 60 cm
200 to 500 kVA Three Phase Units;
H: 142 cm; W: 200 cm; D: 80 cm

Industrial Grade Static AC Voltage Stabilizers

Industrial Grade Static AC Voltage Stabilizers

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“300 400 – 500 kva” “400 vac / 50-60 hz” three-phase input & output
these high reliability, high efficiency static voltag

manufacturer elsis a. S.
input voltage range 176 – 264 vac
input power factor 0,99
input current thd less than 5%
emi reflection to input mil-std-461e, ce101, ce102, re101, re102
input protection thermal/magnetic circuit breaker and electronic turn off at input voltages beyond allowed limits
output voltage 28 vdc; with battery temperature compensation and stability of “1%”
nominal output power 3300 w
output voltage ripple up to 10 mhz band, less than 200 mv
output current limit fully electronic at 10% above nominal current
output protection * fully electronic against over-load and continuous
short-circuit conditions.
* fuse protection against reverse connection of battery
* prevention of battery discharge when charger is off
output transient protection mil-std-1275a
efficiency better than 85% (from 50% to 100% load, under nominal conditions)
electromagnetic compatibility mil-std-461e, ce101, ce102, re101, re102
duration of operation continuous, 24 hours a day, 7 days a week
weight 13 kg (apprx. 22 lb)
package type mounted by 4x “m5” captive screws on the front panel and fixed by 2x “m5” screws at the rear angle bracket
cooling forced air cooled by internal axial fan, blowing air from front to back
mechanical units metric (can be modified to customer request)
dimensions w: 209 mm; h: 173 mm; d: 335 mm
front panel controls, indicators and rear panel connections * “turn-on” switch, “line and fault” led’s on the
front panel
* “ms-3102” circular connectors for “in-put”,
“control”, “out-put” and “temp. Comp. ” connections
operation ambient temperature from –32o c to +55o c
storage temperature from -40o c to +80o c
salt and mist mil-std-810e method 509. 3, 48 hours mist and 48 hours dry time
mechanical choke mil-std-810e
vibration mil-std-810e, category 8, military land vehicle
acoustical noise less than 50 db(a)
operation altitude 2000 m; above 2000 m according to degradation curve)
relative humidity up to 90% (without condensation)
parallel operation parallel and load sharing operation of up to 4 units.


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