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Eldee servo voltage stabilizers are available in a wide range and various models. The standard three phase models are suitable for balanced and unbalanced supply and loads.Our voltage stabilizers are available ranging from 1 kva-2000 kva

As per required good

Solar battery.


As per requirement

Alfo electric manufacturer of all kind of automatic / servo controlled voltage stabilizers, air / oil cooled servo voltage stabilizer & aluminum foil transformers /isolation transformers, (range 1 kva to 1000 kva).

Alfo servo voltage stabilizer is designed for stabilizing ac voltage and made with advanced technology and on the basis of your country national conditions. It can keep output voltage in steady state automatically when the power voltage fluctuates or the load current varies. Compared with other voltage stabilizers, it has the advantage of large capacity, high efficiency, no wave form distortion, stable voltage adjustment, suitability for kinds of loads, bearing instantaneous overload, working continually for long time, as well as free transferring between manual control and automatic control, etc, besides, it is provided with protection against over-voltage, over current, phase failure and has following merits: small volume, light weight, convenient installation and reliable running and so on.

Application (servo stabilizer):
Alfo servo stabilizer can be applied to large type electromechanical equipment, metal processing equipment, production line, construction device , elevator, medical equipment, equipment of light and textile industry, air-condition, household appliance and lighting used for industry, agriculture, traffic, military, railroad, scientific culture, etc, where need voltage stabilization.


Customized

We deal in batteries and other power back up products ( UPS, solar products etc).


Can be made available

The Proven is a Proven Series Servo controlled stabilizer, that redefines the price performance ratio. Based on programmed logic circuit (PLC) technology. Servotech offers a whole new range of features.

» Servotech Servo stabilizer provides perfectly stable output under severe conditions of unbalanced voltage/current, because of its unique conditions single phase or three phase, distortion less solid state motorizes voltage controller conserves variable energy.
» No effect by any transient over voltage surge with fast correction speed (20V-55V per second)

» Higher Power at lower cost: rating of 10KVA-1000KVA

» Output voltage adjustable (110V output can also be provided)

» No effect on load power factor & overall efficiency above 96%

» Increased life of your equipment reduced heating and minimal losses.

» Optional features include surge suppression, Hi/Low voltage cut off, overload protection, single-phase prevention and bypass mechanism.

» Testing is computerized there by ensuring higher reliability.

Application:
Server and other networking equipment.

Features:
1. Three phase in, one phase out
2. High frequency and double conversion on-line technology
3. Fully digitized microprocessor control
4. Wide input voltage range
5. LCD Display
6. Cold start
7. Parallel capacity
8. Advanced battery management
9. Lightning and surge protection
10. Short circuit and overload protection
11. Smart RS232 communication with monitoring software
12. Optional SNMP Card slot.

Application:
Small IT network, Services and other IT equirpment

Features:
1. High frequency and double conversion online technology
2. Fully digitized microprocessor control
3. Wide input voltage range
4. LCD display
5. UPS start up without battery
6. Cold start
7. Advanced battery management
8. Lightning and surge protection
9. Shot circuit and overload protection
10. Network/fax/modem surge kprotection
11. Smart RS232 communication with monitoring software
12. Optional SNMP card slot.

Servotech Magna sine High Capacity Inverter with reliable, regulated and stabilized pure sine wave output, is a complete power generation system that is suitable for all types of commercial establishments and is capable of running everything from lights to Air Conditioners to Lifts and Elevators, Welding Arch in the most cost effective manner.

Designed using world's most advanced DSP Sine Wave Technology.

Salient Features:-
» Designed for heavy duty Telecom Applications.

» Regulated 3 Phase Output.

» User Friendly LCD panel.

» Smart Overload & Short circuit protection.

» Automatic protection for thigh and low voltage.

» Smart Thermal Management.

» Great power saving.

» Field settable heavy duty charger (2A-20A) for all capacity of battery.

» Remote monitoring & control of inverter (optional)

» Potential free contacts (PFC) for monitoring of inverter.

» Generator control by inverter. (OPTIONAL).

Servotech Single phase Aspire Wave Inverter - with reliable, and stabilized pure sine wave output, is a complete power [pack system that is suitable for all types of commercial establishments and is capable of running everything from lights to Air conditioners in the most cost effective manner.

Servotech Single Phase DSP Sine Wave Inverter - Corona Series supplies pure power is 100% safe to run most sophisticated, expensive and sensitive office equipment without the irritating humming sound. It has already established itself as a most reliable option to generators.

Servotech Single Phase DSP Sine Wave Inverter - Corona Series produces pure sine wave clean power. Digital Signal Processing (DSP), the world most advanced technology (meant for high-speed data processing), in conjunction with Sine Wave Technology delivers output which is completely stable and distortion free "Total Harmonic Distortion (THD) <5%". This Power is actually purer than power supplied from the grid. This makes it absolutely safe to run even the most sensitive.

Salient Features:-
» Full safety of highly sophisticated equipment.

» 100% Pure, reliable and regulated Power.

» Low running cost.

» Extended power backup time.

» Unbalanced load handling capability.

» It eliminates disturbing and irritating noise.

» Extended overload capability

» Start up without mains (Cold start)

» Easy maintenance.

We offer a wide range of tubular batteries that produce high power and voltage and stands for tough operating conditions. These are precisely manufactured as per the latest technical innovations and therefore have heat-sealed jumbo polypropylene container which provided complete protection from high heat. These are extensively used in various applications owing to various features that make it more viable and practical power back-up equipment. These are environment friendly and fumes free which give extra life, extra power, extra strength and extra electrolyte.

Some other features include:
Tubular plates which provide 65% more shelf-life as compared to another flat plated inverter batteries.
» Positive plates made from seleni um alloy while negative plates from calcium alloy.
» A micro porous ceramic vent plug, which reduces the water loss.
» Level indicators with every battery.
» Extra electrolyte above the plates, which reduce water loss and making it maintenance free.
» We build the performance - from our technology.
» We build the relations - from our services.

Salient Features:
» Perfect Match for your Inverter & UPS Systems
» Performs under extreme conditions
» Withstands Deep Discharge and Overcharge
» Excellent protection against leakage and corrosion
» Intercell Welding reduces chances of accidental short-circuiting of cells.
» Special Lead Alloy Composition
» Excellent charge acceptance
» Large electrolyte volume
» Option of Ceramic Vent Plugs.

Application:
Inverters
Home UPS Systems
Solar Systems
UPS Systems
Telecommunications.

Application:
Large-medium computer data center, industrial process and other mission-critical equipment.

Features:
1. Double conversion on line technology
2. Modularize
3. Double CPU control
4. Static bypass
5. Manual maintenance bypass
6. Wide input voltage range
7. LCD with control panel
8. Advanced battery management
9. Parallel redundant, parallelabel up to 6 modules
10. Self diagnosis
11. Full protection against over-discharge, overcharge, over load.

Servotech corona Sine Inverter - is a pure sine wave inverter that redefines the price performance ratio based on DSP (Digital Signal Processor) Servotech offer a whole new range of feature, higher power at lower cost. Era sine series, deliver regulated and stabilized Sine wave output, Era sine is a complete power generation system that is suitable for all types of estabilishments and is capable of running everything from lights to Air Conditioners in the most cost effective manner.

Servotech Corona Sine Inverter supplies pure power & 100% safe to run sophisticated, expensive and sensitive office equipment without the irritating humming sound. It has already established itself as a most reliable option to generators.

Salient Features:-

» Full Safety of highly sophisticated equipment.

» 100% Pure, Reliable and Regulated power.

» A L R (Adaptive loss reduction) process gives more efficient charging

» Inbuilt current mirroring circuit to protect mosfet protection in case of reverse phase & battery loose connection

» Five Stage APFC charger

» Generator complatible.

This is technological advancement from Servotech that we have produced Sine Wave home UPS & Inverter that works on the worlds most advanced technology DSP (Digital Signal Processing The Main advantage is that it has an Active Power Factor Control Topological pulse charger. This creates minimum water loss & increasing the battery life immensely. For those areas where power goes off frequently, the system has been provided selectable charging as high as 15 amp. to give optimal charging time for batteries. It can also charge the battery from 100V to 290V input.

Salient Features:-
» Provides pure sine wave output.

» Instant switchover for the computer to run uninterrupted during power cuts

» Provides extra long back-up for computer

» Space saver-ideal for modern day households

» User friendly display

» Saves 40% electricity bill as compared to square wave inverter

» Incorporates smart overload sensing and short-circuit protection with auto reset.

250KW Wind turbines.

Servo stabilizer.

Technical Specification Chart:

Parameter
1 - Phase
2 - Phase

3 - Phase
Unbalanced
Air Cooled

3 - Phase
Balanced
Oil Cooled

3 - Phase
Unbalanced
Oil Cooled

Energy
Conserved
Lighting Load

Centralized
Stabilizer for
offices &
residence

Rating (KVA)
1 - 20
0.5 - 20
3 - 100
3 - 200
3 - 250
3 - 500
3 - 500

I/P Voltage
range (V)

170 - 270
195 - 265

340 - 480

240 - 480
340 - 480
360 - 460

310 - 480
340 - 460
360 - 460

340 - 480
360 - 460

310 - 480
340 - 480
360 - 460

310 - 480
340 - 480
360 - 460

O/P Voltage
(normal)
230 V

415 V

415 V

415 V

415 V

208 V LN

220 V / 230 V
LN

Alternate
O/P setting
220 V /
240 V

380 V / 400 LL

220 V LN

220 V / 230 V
LN

O/P V
regulation

± 1% of nominal output voltage

O/P V
Indications

Digital voltmeter, accuracy 1% of FS ± 1 digit

LED
Indications

Front panel LED Indicators, Input ON, output ON, Input high / Low, output High / Low trip

Under over
voltage trip

Electronic cutoff circuit with graded time delay set @ + 5% / -10% of nominal voltage

Over Load
cut off

Electronic cutoff circuit with graded time delay set @ 110% of rated full load current

Short circuit
protection

HRC fuse / MCB at input

Single phasing
prevention

Not applicable

Provide

Individual phase cutoff only

Service
bypass

Not provided

Provide upto 100 Kva. 3 phase

Individual phase bypass
provided up to 50 kVA 3-ph

Resetting
mode

Automatic restart with time delay mode of 15 sec. (optional).

TECHNICAL SPECIFICATION OF ONLINE UPS / INVERTER
DESCRIPTION (SINGLE PHASE)/MODEL 3-PHASE(3IN-1OUT) 3-PHASE(3IN-3OUT)
MAINS MODE 1KVA 2KVA 3KVA 5KVA 7.5KVA 10KVA 7.5KVA 10KVA 15KVA 20KVA 10KVA 15KVA 20KVA --- 100KVA
INVERTER MODE
Output Wave Form Sine wave
Nominal Battery Voltage 24V DC 48VDC 180 VDC 192 VDC 360 VDC
Output Power Factor 0.8
MAX. NO LOAD BATT. CURRENT 1.1 ± 0.2A
Total Harmonic Distortion < 3%
NO LOAD O/P VOLTAGE(L-N) 220 ±1% 230 VAC ±1%
NO LOAD O/P VOLTAGE (L-L) N/A N/A N/A 410 ±1%
O/P FREQUENCY 50 ± 0.5Hz
FULL LOAD O/P VOLTAGE (N-L) 220 VAC ±1% 230 VAC ±1% 410 ±1%
FULL LOAD O/P VOLTAGE (L-L) N/A N/A 410 ±1%
LOW BATTERY INDICATION 10.4 ± 0.2 VDC per Battery ( 12 VDC Battery)
LOW BATTERY CUT OFF 10.6 ± 0.2 VDC per Battery ( 12 VDC Battery)

MAINS MODE
INPUT VOLTAGE RANGE (N-L) 140V-280V 170 to 270 ± 5 VAC
INPUT VOLTAGE RANGE (L-L) N/A 290V to 480 ± 5 VAC
INPUT FREQUENCY RANGE 40Hz to 55Hz
INPUT POWER FACTOR 0.9 0.9 N/A
CHARGING CURRENT 5A to 10A 1.5 to 8A ± 1A
BOOST CHARGING VOLTAGE 13.9 ± 0.2 VDC per Battery ( 12 VDC Battery)
PROTECTIONS
PROTECTIONS OUTPUT NOT OK, BATTERY VOLTAGE LOW , OVER LOAD
BATTERY OVER CHARGE, OVER TEMPERATURE, SHORT CIRCUIT, MAINS MCB TRIPS
DISPLAYS
DISPLAYS WELCOME MESSEGE, CAPACITY, OUTPUT VOLTAGE, OUTPUT FREQUENCY. LOAD PERCENTAGE
INPUT VOLTAGE and FREQUENCY, LOAD PERCENTAGE, BATTERY CHARGING,BATTERY VOLTAGE, ALL PROTECTIONS
Environmental Parameters
Operating Temperature 0 Deg – 45 Deg
Acoustic Noise at 1 Mtr. < 45 DB
Relative Humidity Max 95% non - Condensing
Thermal management Forced FAN Cooling
WEIGHT AND DIMENSIONS
With Packaging LXWXH in mm 400x420x135 480x420x135 600x500x730 600x500x730 700x500x770 700x500x770 700x500x770 700x500x770 710x500x770 710x500x770 860x630x950 860x630x950 860x630x950
With Out packaging LXWXH in mm 350x320x90 400x320x90 400x350x600 400x350x600 550x350x670 550x350x670 550x350x670 550x350x670 550x350x670 550x350x670 700x460x830 700x460x830 700x460x830
Net Weight 6.5Kg 8.5Kg 54 67 92 107 92 107 106 115 172 115 115
Gross Weight 7.1Kg 9.1Kg 67 73 108 122 108 122 118 122 189 122 122

1) Servo Stabilizers (1ø and 3ø) 1KVA – 1000KVA
2) Online UPS & Domestic Invertors 1KVA – 100 KVA
3) Micro Controller based Stabilizers 1KVA - 1000KVA
4) Isolation Transformers.

International specifications

Model MPS-01,02,04,05
i/p power-415v,+/-10%,2 phase
Frequency-50/60hz
o/p power:
Voltage-95VDC
Current-6 Adc(max)

80*90*30mm, 650gms(moulded)