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EA200A

9

SECTION 5 : SETTING AND ADJUSTMENT BEFORE START

5.1 Select and set sensing input voltage and Fan voltage

Example

:

220V Output Voltage:
S1 & S2 connect to R-T (220V)
MCCB AC1 & AC2 connect to R-T (220V)
FAN VOLT: Cross connect COM1 & 220V
SENSING VOLT: Cross connect COM2 & 220V

400V Output Voltage

:

S1 & S2 connect to R-T (400V)
MCCB AC1 & AC2 connect to S-N (230V)
FAN VOLT: Cross connect COM1 & 220V (select the closest voltage 230V)
SENSING VOLT: Cross connect COM2 & 380V (select the closest to 400V)

440V Output Voltage

:

S1 & S2 connect to R-T (440V)
MCCB AC1 & AC2 connect to S-N (254V)
FAN VOLT: Cross connect COM1 & 245V (select the closest voltage 254V)
SENSING VOLT: Cross connect COM2 & 440V

480V Output Voltage

:

S1 & S2 connect to R-T (480V)
MCCB AC1 & AC2 connect to AUX Power (180V)
FAN VOLT: Cross connect COM1 & 190V (select the most close voltage 180V)
SENSING VOLT: Cross connect COM2 & 480V

※

FAN VOLT must be selected to the closest voltage on MCCB AC1 & AC2

※

SENSING VOLT must be selected to the closest voltage on S1 & S2

ATTENTION

※

The factory preset FAN VOLT is 277Vac, SENSING VOLT factory preset is 110Vac. Make adjustment
before operation on the first time installation.

Figure 6

277V
245V
220V
190V

COM1

480V
440V
380V
220V
110V

COM2

TB5

FAN

VO

LT

SE

NS

ING

VO

LT

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Summary of Contents for EA200A

Page 1: ...utai com tw Headquarters No 3 Ln 201 Qianfu St Qianzhen Dist Kaohsiung City 806037 Taiwan EA200A Generator Automatic Voltage Regulator Operation Manual 200 Amp Automatic Voltage Regulator Compatible with Self Excited Carbon Brush Type Generators Full Wave Half Wave Version Selectable ...

Page 2: ...put Terminal 8 SECTION 5 SETTING AND ADJUSTMENT BEFORE OPERATE 9 5 1 Set sensing voltage and Fan voltage 9 5 2 EA45AF Adjustment 10 5 3 EA45C Adjustment 12 5 4 EB500 Adjustment 13 5 5 EP4 1 Multiple Protective Relay 13 SECTION 6 FIELD FLASHING 14 6 1 Automatic Field Flash 14 6 2 Manual Field Flash 14 SECTION 7 OVER TEMPERATURE PROTECTION 14 SECTION 8 EXTERNAL EMERGENCY STOP POWER GENERATION 14 SEC...

Page 3: ...c Resistance Min 0 6 ohms Max 100 Ohm Under Frequency Protection Knee point factory preset Half wave and Full wave Selectable 50 Hz system presets knee point at 45 Hz 60 Hz system presets knee point at 55 Hz Controller Power Input B B Voltage 24 Vdc 20 to 28Vdc Environment Current Lesser than 10A Operating Temperature 40 60 C DC Power supply for initial field flashing excitation current display al...

Page 4: ...Unit mm ATTENTION The unit must be installed repaired by qualified technician AVR could be installed in any suitable locations of the generator sets the appearance and fixing holes are as Figure 1 avoid high temperature moisture and location where AVR cannot be easily reached AVR heat sink may reach a high temperature above 60 C when AVR is powered do not touch or ground AVR heat sink Figure 1 Out...

Page 5: ... 4 5 6 7 8 9 10 Item Description Function 1 Field current meter 2 Field voltage meter 3 Generator voltage meter Sensing voltage 4 Over temperature alarm indicator 5 Auto Manual Field Flash selector 6 Over temperature shutdown indicator 7 Power input MCCB 8 EA45AF 2 Control Module 9 50 Hz 60Hz Frequency Selector 10 Half Wave Full Wave selector Figure 2 ...

Page 6: ... Protection Module 14 10A DC Power Protection Fuse 15 Temperature switch 16 Rectifier Diode D1 D2 D3 and Heatsink 17 Hall Effect Based Current Sensor 18 SCR 2 and Heatsink 19 SCR 1 and Heatsink 20 Terminal TB4 for internal wiring 21 Terminal TB5 for sensing voltage and voltage selector for Fan 22 Terminal TB1 for Excitation output 23 Power input MCCB 24 Terminal TB2 25 Terminal TB3 26 Sensing volt...

Page 7: ... ALARM Over Temp Pre Alarm Output Contact Max 2A 250 Vac Contact CLOSED when Temp is over 100 C Contact OPENED when Temp is below 90 C Refer to Section 7 OVER TEMP SHUTDOWN Over Temp Shutdown Contact Max 2A 250 Vac Contact CLOSED when Temp is over 130 C Contact OPENED when Temp is below 120 C Refer to Section 7 BATTERY ABNORMAL Battery Voltage Abnormal Alarm Contact Max 2A 250 Vac Contact CLOSED w...

Page 8: ... This Automatic Voltage Regulator is not equipped with loss Sensing Protection Over Excitation Protection An additional Over Voltage Protection device for load may be required to avoid possible damage to the equipment or severe personal injury or death The connection wire for VR1 VR2 and A1 A2 must be shielded wire the grounding wire of shielded wire should be as close as possible to the AVR The A...

Page 9: ... closest to 400V 440V Output Voltage S1 S2 connect to R T 440V MCCB AC1 AC2 connect to S N 254V FAN VOLT Cross connect COM1 245V select the closest voltage 254V SENSING VOLT Cross connect COM2 440V 480V Output Voltage S1 S2 connect to R T 480V MCCB AC1 AC2 connect to AUX Power 180V FAN VOLT Cross connect COM1 190V select the most close voltage 180V SENSING VOLT Cross connect COM2 480V FAN VOLT mus...

Page 10: ...z 60Hz U F adjustable range 50 60Hz ⅱ Start the Generator then adjust the generator frequency to the desired knee point frequency ⅲ Turn the U F knob clockwise until the U F LAMP light is off ⅳ Adjust the U F knob counterclockwise until U F LAMP just lights up or flashing ⅴ Adjust the generator frequency to normal speed ATTENTION Improper setting of under frequency protection could cause the outpu...

Page 11: ... Hz 60 Hz system factory presets knee point at 55 Hz 5 2 4 Half Wave Full Wave Selector Select half wave or full wave output according to Generator excitation voltage in full load Factory preset Half Wave If generator excitation voltage is greater than 60Vdc in Full load must select Full Wave output If generator excitation voltage is less than 30Vdc must select Half Wave output ATTENTION Do not ch...

Page 12: ...io of CT input current to the generator voltage Turn counterclockwise to the end is 0 and clockwise to the end is 7 Max TRIM Adjust the influence ratio of the analog voltage input value of A1 and A2 to the generator voltage When the system provides DC voltage to terminals A1 and A2 the higher the DC voltage the higher the generator voltage and vice versa The TRIM knob is used to adjust the influen...

Page 13: ...nt can be set by A B C terminal selected by jumper A B C Open 24V 1 6A A B Short 24V 2 4A B C Short 24V 4 8A 5 5 EP4 1 Multifunctional voltage relay EP4 1 is a DC voltage abnormal warning relay Factory Preset Value Under volt 20V Over volt 28V Under voltage delay time 5s Over voltage delay time 5s DIP SW 1 OFF 2 OFF 3 ON 4 ON ATTENTION EB500 Flash Current factory preset is A B shorted Due to the l...

Page 14: ...put will be forcibly stopped and the overheating shutdown contact for OVER TEMP SHUTDOWN will be closed and the overheating shutdown indicator on the panel will light up When the heat sink temperature is below 120 C the shutdown contact and indicator will automatically reset SECTION 8 EXTERNAL EMERGENCY STOP POWER GENERATION EA200A built in with external emergency stop function when EMERGENCY SHUT...

Page 15: ...EXT VOLTS Adjust 1K Ω High oil pressure SW shielded 0 5VDC Isolated power 0 5 VA wire FIELD AUXILIARY WINDING EA200A Figure 14 220 Vac Figure 15 AUX Winding F F AC1 AC2 S1 S2 C1 C2 CT N 5A U V W N B B OIL OIL VR1 VR2 A1 A2 FIELD OUTPUT POWER INPUT SENSING INPUT BATTER INPUT OIL SWITCH EXT VR ANALOG INPUT CT INPUT BATTER EXT VOLTS Adjust 1K Ω High oil pressure SW shielded 0 5VDC Isolated power 0 5 ...

Page 16: ...e external voltage adjustment knob Incorrect setting for Half Wave Full Wave output Select the correct output voltage Full Wave must be selected when excitation voltage in full load is greater than 60Vdc AVR heat sink is over temperature 1 Make sure the installation environment has good ventilation 2 Check whether the fan operates normally when it can generate power normally External emergency sto...

Page 17: ...ernal drawing EB500 EA45C R1 R2 R3 F1 EP4 1 PT3 H3 TEMP SW1 TEMP SW2 D2 D3 D1 HALL H2 H1 SCR1 SCR2 NFB TB2 A1 A2 C1 C2 S1 S2 VR1 VR2 B B TB3 277V 245V 220V 190V COM1 480V 440V 380V 220V 110V COM2 TB5 FAN VOLT SENSING VOLT 7 8 9 10 AC1 11 12 13 14 15 S2 TB5 VR1 VR2 G1 G21 S1 CU1 CU2 15 15 B B B1 B2 B3 B4 F F EA EA AC2 TB4 TB1 F F AC2 AC1 ...

Page 18: ...es Ambient temperature 10 50 ºC without condensation freezing Ambient humidity MAX 85 RH without condensation Altitude MAX 2000m Weight Approx 130g SETTING PROCEDURE DISPLAY REV ON OFF ON OFF ON OFF ON OFF UNBAL 5S 1S AUTO Auto Off 5S 1S Unbal Rev Over Under Volt Over Under Volt Under Over Over Time Under Time NO INPUT DIMENSIONS SAFETY PRECAUTION This manual uses the following symbols to ensure s...

Page 19: ...lt 2C Over Under Fault EP4 1 1 EP4 1 2 EP4 1 3 2C Inst No Fault 2C No Fault 2C Over Under No Fault EP4 1 4 EP4 1 5 EP4 1 6 TIMING CHART Under Voltage Over Voltage Line Norm al Under Voltage Phase Loss Over Voltage Over Time Reset Time Reset Time Reset Time Reset Time Reset Time Reverse Time Reset Time UnbalanceTime Under Time Phase LossTime 5 A1 A2 N C 15 16 25 26 25 28 L1L2L3 L2L1L3 L1L2L3 N O 25...

Page 20: ...u Off Field Voltage Meter Generator TB4 D1 TB2 9 TB2 10 TB2 6 TB2 5 TB2 4 TB2 3 TB2 2 TB2 1 EP4 1 TB4 D4 TEMP SW2 H3 TEMP SW1 H3 120 OFF 130 ON 90 OFF 100 ON TB4 D3 TB4 D2 R3 R1 L1 R2 L2 FAN 220V TB5 1 TB5 2 TB5 3 TB5 4 TB4 D11 TB5 5 VO COM VO VIN VIN 0 1 Converter DC DC EB500 R1 R2 R3 R2 R2 R2 R2 R3 R3 R3 SCR1 H1 H2 H3 SCR2 D1 D2 D3 Hall current sensor F1 250V 10A TB4 U9 TB4 U6 TB4 U8 TB4 U6 TB4 ...

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