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Location: Chino, California, United States
Ships to: US,
Item: 205058378622
Condition:New
machine-tools:machine-tools
MPN:MT740211
Type:Voltage Regulator
UPC:Does not apply
Quantity:1 PCS
EA05A:EA05A
Warranty:1 Year
eBay Product Description：Sensing InpuuutVoltage 220 / 380 / 440 VAC, 1 phase2 wireDIP switch selectableFrequency 50 / 60 Hz, DIP switch selectablePower InputVoltage 100 ~ 300 VAC, 1 phase 2 wireOutputVoltage Max. 90 VDC @ 240 VAC inputCurrent Continuous 5AIntermittent 7A for 10 secResistance Min. 15 ohm Max. 100 ohmVoltage Regulation< ± 0.5% ( with 4% engine governing )Voltage Build-upResidual voltage at AVR terminal > 5 VACThermal Drift0.03% per °C change in AVR ambientExternal Volts Adjustmen± 7% with 1K ohm 1 watt trimmerEMI SuppressionInternal electromagnetic interference filteringUnit Power DissipationMax. 8 wattUnder Frequency Protection (Factory Setting)60 Hz system presets knee point at 55 Hz50 Hz system presets knee point at 45 … AVR EA05A Automatic Voltage Regulator Controller For Generator Genset Parts Product Description： Sensing Inpuuut Voltage 220 / 380 / 440 VAC, 1 phase2 wire DIP switch selectable Frequency 50 / 60 Hz, DIP switch selectable Power Input Voltage 100 ~ 300 VAC, 1 phase 2 wire Output Voltage Max. 90 VDC @ 240 VAC input Current Continuous 5A Intermittent 7A for 10 sec Resistance Min. 15 ohm Max. 100 ohm Voltage Regulation < ± 0.5% ( with 4% engine governing ) Voltage Build-up Residual voltage at AVR terminal > 5 VAC Thermal Drift 0.03% per °C change in AVR ambient External Volts Adjustmen ± 7% with 1K ohm 1 watt trimmer EMI Suppression Internal electromagnetic interference filtering Unit Power Dissipation Max. 8 watt Under Frequency Protection (Factory Setting) 60 Hz system presets knee point at 55 Hz 50 Hz system presets knee point at 45 Hz Soft Start Ramp Time 3 sec. Dimensions 101mm L * 69mm W * 47.5mm H Weight 183g ± 2% 2. WIRING When generator supply is over load, N phase will be different with the sharing load by 3 phases (load imbalance). Hence, the voltage from N phase to 3 phases (R.S.T.) will be altered. When the rated voltage of the traditional single input’s AVR is above 220V, it will increase the voltage drift rate by using N phase as the detective input. It will also cause the voltage imbalance. EA05A can improve the above situation, and increase the generator’s rated voltage usage space,such as 380V, 440V. We can all detect by the “phase voltage”. 1. When the rated phase voltage of the generator is 220VAC, the input terminals B, C and sensing terminals A, C can join together (as show as figure3. It’s the original setting).or connect independent.(as show as figure2). 2. When the rated phase voltage of the generator is 380V, 440V, the input terminals B, C and sensing terminals A, C must separate connect the wiring (as show as Figure 4 or figure 5). The voltage between B and C must not be over 300 VAC. 3. F+ F- terminals connect to the generator field. (J and K) FEXT.VR is the potentiometer (1KΩ 1W). These two terminals must be by-pass when external potentiometer is needless. P.S. : A, B, C, F+ F- the usage of wire gauge are AWG16 or 1.25 mm2 85。 C above 600V. The EXT.VR connection wires must be made of isolated wiring. 3. ADJUSTMENTS The voltage setting for 220V/380V/440V and the frequency setting for 50/60HZ is show in figure7. Please check the voltage/frequency selector setting is correct before start the generator. UFRO DIP: 1. Before you turn on the generator, please turn the voltage adjustment and stability adjustment full anti-clockwise. After the generator is on and run stably, turn the voltage adjustment clockwise to reach the required out voltage. (If there is an external potentiometer, turn the external potentiometer to the middle position before adjust internal voltage potentiometer.) 2. Adjust “Stability Adjustment” clockwise slowly to change the feedback time between AVR and the generator. If the adjustment is too big, it might cause the voltage instable. If too small, the load voltage will change too much at heavy load. Our suggestion is to trace by the multi-meter DCV. To adjust “stability adjustment”, you just need to make the multi-meter waving smaller. It can also improve the full load’s voltage drift rate. 4. FIELD FLASHING When the regulator is operated with the generator for the first time, the polarity of residual magnetism may be reversed or too small to achieve the necessary build-up voltage for the regulator. If reversing the field connections does not induce build-up, and the residual voltage is less than the specified value of 5 Vac, shut down the Prime-mover and proceed with the following steps : 1. With the Prime-mover at rest and the regulator’s field output wires disconnected, apply a DC source ( NOT grounded ) of not more than 3~12 Vdc with Positive to F+ and Negative to F-, in series with a current-limiting resistor of 3~5 ohms 20 watt. (The set battery is a suitable source.) 2. Allow approximately 3 seconds before removing the DC source. 3. With the voltage regulator disconnected ( wires 3 and 4 ), start the prime mover and measure the “ residual ” voltage available at the auxiliary winding. If this voltage is greater than 5 Vac, reconnect voltage regulator, and voltage build-up should be successful. If less than 5 Vac is measured, repeat field flashing procedure. 4. If repeating steps a. and b. does not result in generator voltage build-up, and residual is greater than 5 Vac, replace voltage regulator. Package Including： 5 x Automatic Voltage Regulator Controller AVR EA05A Genset Parts 5 x product Instructions Notes： Due To Manual Measurement,Please Allow A Little Error And Make Sure You Do Not Mind Before Ordering. Monitors Are Not Calibrated Same, Item Color Displayed In Photos May Be Showing Slightly Different From The Real Object.Please Take The Real One As Standard. Item Specifics Brand machine-tools MPN MT740211 Type AVR Quantity 1 PCS Model EA05A Type Voltage Regulator Warranty 1 Year Payment Shipping will be arranged within 3 business day once payment is cleared. Shipping 1.Usually your Items will be shipped within 1-3 business day after your payment is cleared. International orders may take 10 to 30 business days to arrive. 2.We have CA, NJ warehouses and ship items may vary according to the stock. 3.No shipping on Weekends or US Public Holidays. Returns 1.You can return your unused items back for exchange or refund within 30 days. 2.Please contact us for return process before you return the item. Contact Us If there is any fault or problem with the product, please don’t be shy to express it, we will solve it at the first time. 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Dimensions 101mm L * 69mm W * 47.5mm H Weight 183g ± 2% 2. WIRING When generator supply is over load, N phase will be different with the sharing load by 3 phases (load imbalance). Hence, the voltage from N phase to 3 phases (R.S.T.) will be altered. When the rated voltage of the traditional single input’s AVR is above 220V, it will increase the voltage drift rate by using N phase as the detective input. It will also cause the voltage imbalance. EA05A can improve the above situation, and increase the generator’s rated voltage usage space,such as 380V, 440V. We can all detect by the “phase voltage”. 1. When the rated phase voltage of the generator is 220VAC, the input terminals B, C and sensing terminals A, C can join together (as show as figure3. It’s the original setting).or connect independent.(as show as figure2). 2. When the rated phase voltage of the generator is 380V, 440V, the input terminals B, C and sensing terminals A, C must separate connect the wiring (as show as Figure 4 or figure 5). The voltage between B and C must not be over 300 VAC. 3. F+ F- terminals connect to the generator field. (J and K) FEXT.VR is the potentiometer (1KΩ 1W). These two terminals must be by-pass when external potentiometer is needless. P.S. : A, B, C, F+ F- the usage of wire gauge are AWG16 or 1.25 mm2 85。 C above 600V. The EXT.VR connection wires must be made of isolated wiring. 3. ADJUSTMENTS The voltage setting for 220V/380V/440V and the frequency setting for 50/60HZ is show in figure7. Please check the voltage/frequency selector setting is correct before start the generator. UFRO DIP: 1. Before you turn on the generator, please turn the voltage adjustment and stability adjustment full anti-clockwise. After the generator is on and run stably, turn the voltage adjustment clockwise to reach the required out voltage. (If there is an external potentiometer, turn the external potentiometer to the middle position before adjust internal voltage potentiometer.) 2. Adjust “Stability Adjustment” clockwise slowly to change the feedback time between AVR and the generator. If the adjustment is too big, it might cause the voltage instable. If too small, the load voltage will change too much at heavy load. Our suggestion is to trace by the multi-meter DCV. To adjust “stability adjustment”, you just need to make the multi-meter waving smaller. It can also improve the full load’s voltage drift rate. 4. FIELD FLASHING When the regulator is operated with the generator for the first time, the polarity of residual magnetism may be reversed or too small to achieve the necessary build-up voltage for the regulator. If reversing the field connections does not induce build-up, and the residual voltage is less than the specified value of 5 Vac, shut down the Prime-mover and proceed with the following steps : 1. With the Prime-mover at rest and the regulator’s field output wires disconnected, apply a DC source ( NOT grounded ) of not more than 3~12 Vdc with Positive to F+ and Negative to F-, in series with a current-limiting resistor of 3~5 ohms 20 watt. (The set battery is a suitable source.) 2. Allow approximately 3 seconds before removing the DC source. 3. With the voltage regulator disconnected ( wires 3 and 4 ), start the prime mover and measure the “ residual ” voltage available at the auxiliary winding. If this voltage is greater than 5 Vac, reconnect voltage regulator, and voltage build-up should be successful. If less than 5 Vac is measured, repeat field flashing procedure. 4. If repeating steps a. and b. does not result in generator voltage build-up, and residual is greater than 5 Vac, replace voltage regulator. Package Including： 5 x Automatic Voltage Regulator Controller AVR EA05A Genset Parts 5 x product Instructions Notes： Due To Manual Measurement,Please Allow A Little Error And Make Sure You Do Not Mind Before Ordering. Monitors Are Not Calibrated Same, Item Color Displayed In Photos May Be Showing Slightly Different From The Real Object.Please Take The Real One As Standard. Item Specifics Brand : machine-tools MPN : MT740211 Type : AVR Quantity : 1 PCS Model : EA05A Type : Voltage Regulator Warranty : 1 Year PaymentShippingReturnsContact Us Shipping will be arranged within 3 business day once payment is cleared. 1.Usually your Items will be shipped within 1-3 business day after your payment is cleared. International orders may take 10 to 30 business days to arrive. 2.We have CA, NJ warehouses and ship items may vary according to the stock. 3.No shipping on Weekends or US Public Holidays. 1.You can return your unused items back for exchange or refund within 30 days. 2.Please contact us for return process before you return the item. If there is any fault or problem with the product, please don’t be shy to express it, we will solve it at the first time. All rights reserved.
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