Reduction in motor efficiency, overheating and fast ageing of motors and switchgears
Stoppage of production, inconsistent product quality and increase in wastage
Malfunctioning & data loss in electronic/ cnc equipments
Quick burn out of light fittings, bulbs & lamps
Higher consumption by lighting load
Higher demand & higher energy bill
Loss of competitive position
Capacity for servo voltage stabilizers -10 kva to 5000 kva
Feature
1. Available for wide range input volage, steady output voltage
2. Input pre-charge circuit
3. Led indicates the working status
4. Smd technology, four-sided, extra strong copper-plated printed circuit board (4x70|¡¡ì¬)
5. High frequency switched power supply, efficiency>95%
6. Low temperature rise
7. Unique filter design
8. Low electromagnetic radiation
9. Smart protect circuits against overheating, over and under input/output voltage
It is lead based compound stabilizer, containing light rare earth compounds, antioxidant, internal and external lubricants, high efficient synergist, etc.
Has excellent processing performance. Will not affect the flatness, bright and clean, even thickness of the product when the filling material has a fluctuation.
Used in non-transparent products.
2.Advantages:
A.Low lead.
B.Good compatibility & dispersion with pvc.¡¡
C.Excellent thermal stability & weatherability.
D.Good electrical insulation. Good ability of uvioresistant. Good lubricating performance.
E.Has wild range application scope. High up the extrusion speed, lower the plasticizing temperature, prolong the production period.
3.Scope of application.
In this compound stabilizer series (wwl), we developed 7 items for different products. Details as follow:
Item no.Application scope
Wwl-1pipes
* product available from 30kva to 5mva capacity with voltage variation options from 350-450v to 250-460v (phase-to-phase)
* based on linear technology
* 5 year guarantee
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
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.
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.
Place of Origin Jiangsu, China (Mainland)
Brand Name KERUI
Model Number AS440
Usage Regulating the generator voltage
Current Type AC
Compatible alternator STAMFORD
Phase 2 phase
Color Black
Weight 300g
Stock Yes Packing 14.6cmx11.6cmx4.7cm
Price: FOB USD 0~100 / Piece
Be applicable for self excited alternator, brushless generator with the frequency of 50Hz or 60Hz;
Adopt Surface Mounting Technology(SMT);
With Parallel Operation Function;
Under Frequency Roll Off Protection;
With Under Frequency LED Indication;
Over Excitation Protection.
Technical parameters
Build Up Voltage 4V ac @ AVR terminals
Power Input
Voltage 100-264V ac
Frequency 50-60Hz (nominal)
Sensing Input
Voltage 100-130V or 170-264V Jumper Selectable
Frequency 50/60Hz Jumper Selectable
Output
Voltage Max. 82V dc @ 200V ac input
Current 4A consecutive current output
Transient 7.5A for 10secs.
Over Excitation Protection 65V dc (Default Value)
Time Delay 10secs
Under Frequency Protection 92-94%Hz rated frequency(By factory)
(UFRO)
Adjustment ¡À1%(with 4% engine governing)
Minimum Order Quantity: Negotiable Trial Order
Minimum Order Quantity: 1 Piece/PiecesTrial Order
Port: Shanghai, CHINA .
Packaging Details: Individual packing and standard export cartons Outer packing: 40pcs/carton Measurement of Inner packing:14.6cmx11.6cmx4.7cm Measurement of outer packing:50cmx32cmx25cm.
Generator AVR MX341, automatic voltage regulator(AVR)
Features
Be applicable for separated excited alternator, brushless generator with the frequency of 50Hz or 60Hz;
With Parallel Operation Function;
Under Frequency Roll Off Protection;
With Under Frequency LED Indication;
Over Excitation Protection.
Technical parameters
Source Input
Voltage 140-220V ac
Current 3A/Phase
Frequency 100-120Hz (nominal)
Sensing Input
Voltage 170-250V ac
Frequency 50-60Hz Jumper Selectable
Output
Voltage Max. 120V dc
Current 4A consecutive current output
Transient 6A for 10 secs.
Excitation Resistance Min.15 ohms
Under Frequency Protection(UFRO)
Set 95%Hz (By factory)
U/f Slop 100-300% down to 30Hz
Over Excitation Protection 75Vdc (Default Value)
Time Delay 10secs.
Soft Start Ramp Time 3secs
Adjustment ¡À1%(with 4% engine governing).
Individual packing and standard export cartons Measurement of Inner Packing:16.5x15.5x4.6cm Measurement of Outer Packing:50 x 32 x 20cm Outer Packing:20PCS/Carton.
1.CT-1000
2.Droop Current Transformer
3.Primary Current
4.ISO9001 CERTIFICATED
5.IN STOCK
CT-1000 Droop Current Transformer
Specifications of CT-1000
Model CT-1000
Primary Current 1000A
Secondary Current 0.37A
Mounting hole size ¦µ13
Power Range 750KVA~1250KVA.
Minimum Order Quantity: 1 Piece/PiecesTrial Order
Port: Shanghai CHINA
Packaging Details: Individual packing and standard export cartons Measurement of Inner packing10cmx9cmx10cm
Delivery Time: within 3-5 days after payment
Payment Terms: T/T,Western Union
Supply Ability: 500 Piece/Pieces per Month.
Be applicable for self excited alternator, brushless generator with the frequency of 50Hz or 60Hz;
Under Frequency Roll Off Protection;
With Under Frequency LED Indication.
Technical parameters
INPUT
Voltage 85-125 V ac
170-250 V ac Jump Selectable
Frequency 50-60 Hz nominal
Phase 1
OUTPUT
Voltage max 90 V dc at 207 V ac input
Current continuous 4A dc
Transient 6 A for 10 seconds
Field Resistance 15 ohm minimum
REGULATION +/- 1%
THERMAL DRIFT (after 10 min)
1% for 40¡ãC change in AVR ambient
TYPICAL SYSTEM RESPONSE Field current to 90% 80ms
Machine volts to 97% 300ms
EXTERNAL VOLTAGE ADJUSTMENT +/- 5% with 1 k ohm 1watt trimmer
Under Frequency Protection
Set point 95%Hz
Slop 170% down to 30Hz
UNIT POWER DISSIPATION
10 watts maximum
BUILD UP VOLTAGE
3.5V ac @ AVR terminals
ENVIRONMENT
Vibration 20-100Hz 50mm/sec
100Hz-2k Hz 3.3g
Relative Humidity 0-60¡ãC 95%
Operating Temperature -40¡ãC to +70¡ãC
Storage Temperature -55¡ãC to +80¡ãC
DIMENSIONS
Outline Dimensions 104(W)¡Á139(H)¡Á39(D)(mm)
Installation Size 80(W)¡Á115(H) (mm) ¡Á¦µ5-4
Color Black
Weight 300g.
Packaging Details:
Measurement of Inner Packing:14.6x11.6x4.7cm Measurement of Outer Packing:50 x 32 x 25cm Outer Packing:40PCS/Carton.
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 cut off only
Service bypass Not provided Provide upto 100 Kva. 3 phase Individual phase bypass provided upto 50 kVA 3-ph
Resetting mode Automatic restart with time delay mode of 15 sec. (optional)
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