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DV Power BAC25A, Manual

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Battery Charger BAC25A

 

 

M-B025CN-300-EN           

 

 

 

 

 

 

 6

 

 

1.3  Intended Use 

The  Battery  charger  Unit  BAC25A  is  a  stand-alone  instrument  designed  for  charging  primarily 
Lead-Acid and Ni-Cd batteries. BAC25A is intended to support the main charger in order to charge 
battery  much  faster  or  to  quickly  recharge  a  battery  following  a  discharge  test.  It  is  used  for 
charging batteries that serve as backup power supply in: 

•  Power plants  
•  Generator excitation systems  
•  Substations  
•  Protection and control systems  

The  BAC25A  charges  10 

–  300  V  battery  systems  using  one  single  cable  setup,  with  effective 

currents of up to 25 A. 

Summary of Contents for BAC25A

Page 1: ...Battery Charger BAC25A M B025CN 300 EN 1 BATTERY CHARGER BAC25A Manual Manual Version M B025CN 300 EN This Manual refers to the firmware version 2 xx Publishing date 2016 03 22 ...

Page 2: ...ts menu 14 3 2 3 Set menu 15 3 3 CHARGING 17 3 3 1 IU mode 17 3 3 2 UU mode 20 3 3 3 Charging Parameters 22 3 3 4 Charging Rates 23 4 External Alarm Function 24 5 Alarm Messages 25 5 1 ALARM MESSAGE OVERVOLTAGE 25 5 2 ALARM MESSAGE UNDERVOLTAGE 25 6 Error Messages 26 6 1 ERROR MESSAGE VS POLARITY 26 6 2 ERROR MESSAGE POLARITY 26 6 3 ERROR MESSAGE OVERCURRENT 26 6 4 ERROR MESSAGE OVERHEAT 27 6 5 ER...

Page 3: ...structions listed in this Manual The BAC25A should only be operated by trained and authorized personnel 1 1 1 Safety terms and symbols Terms in the Manual The following terms may appear in this Manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this...

Page 4: ...ses of dust or other contaminants affecting its operation It should be cleaned with water isopropyl alcohol after any dirt contaminants are noticed on its surfaces 1 1 5 Operator Qualifications Testing with the BAC25A should only be carried out by authorized and qualified personnel Personnel receiving training instruction or education on the BAC25A should remain under the constant supervision of a...

Page 5: ... any other connections and remove this connection last CAUTION Never open the measuring circuit while the test is in progress as dangerous high voltage may occur Never disconnect cables from the battery while the test is in progress This can cause excessive DC arc flash on external terminals 1 2 Power Supply Supply the BAC25A from a power outlet which is equipped with protective ground Besides sup...

Page 6: ...ded to support the main charger in order to charge battery much faster or to quickly recharge a battery following a discharge test It is used for charging batteries that serve as backup power supply in Power plants Generator excitation systems Substations Protection and control systems The BAC25A charges 10 300 V battery systems using one single cable setup with effective currents of up to 25 A ...

Page 7: ...d to control the device UP DOWN buttons are used to navigate through the active menu and to set the charging parameters RIGHT button to navigate through the active menu ENTER button to confirm selected charging parameters language time and date as well as to go to the next screen if no changes are needed in the active menu STOP button to stop the charging process to interrupt the alarm buzzer and ...

Page 8: ...e ambient temperature measurement and the float charging voltage correction according to measured temperature values 5 Interface The USB PC interface enables firmware loading A USB cable is provided as an accessory 6 Alarm Overvoltage Alarm overvoltage channel is used for connecting the BAC25A with an external ALARM buzzer If unexpected overvoltage occurs the external alarm will be activated 7 Ala...

Page 9: ...ive earth connector For protection against parasitic currents or voltages the BAC25A earth ground connector should always be connected to protective ground PE Only the originally provided cable should be used for this purpose Mains power connector Connects the BAC25A to the mains power supply with a power cord Power switch Double pole switch I In this position the BAC25A is connected to the mains ...

Page 10: ...g these instructions may cause life threatening situations Figure 3 1 Connecting the BAC25A to a test object Thick red and black lines represent current cables which conducts charging energy Current cables are recommended and necessary accessory for conducting the charging test Thinner lines represent voltage sense VS cables Voltage sense cables are optional accessory which provide smoother voltag...

Page 11: ...ce is switched on the initial message informing the user about name of the device and installed firmware version is displayed Figure 3 2 Figure 3 2 The initial screen After the initial screen is being displayed for several seconds the BAC25A changes the display to the main menu and the green LED lights up The BAC25A keeps the user s settings and offers them as default What charging menu will be di...

Page 12: ...nu VOLTAGE parameter Figure 3 5 represents the real time voltage value of the connected battery The parameter is not user changeable value is detected automatically once the test cables are connected to the test object The following parameters need to be set before charging is started Charge U Maximum charge voltage Maximum value to be set is 300 V DC Charge I Value of the constant charging curren...

Page 13: ...a preset minimum current value which indicates a full charge has been reached Values of both parameters are set by pressing the UP DOWN buttons Pressing the RIGHT button enables the user to navigate through the menu and to set values for each digit separately Once the parameters are selected ENTER should be pressed to confirm the selection This charging mode is usually used for nickel cadmium and ...

Page 14: ...imum charging current that can be generated during the boost charging is user defined Boost I which protects battery of being damaged of high current Charging will not terminate if Boost I value is reached it will be continued with current not higher than Boost I until Boost U voltage is reached Once this voltage is reached the charger will source enough current to hold the voltage of the battery ...

Page 15: ...parameters reaches its pre set value STOP U STOP I and STOP T Figure 3 9 However when Boost T parameter is reached in UU mode the BAC25A will switch to Float charging without interrupting the test Figure 3 9 STOP messages The ENTER button is used to confirm limit values after the parameters are enabled and set After pressing the ENTER button the display switches to the main charging supply menu Fi...

Page 16: ... and using the UP DOWN buttons can be selected NO as in Figure 3 11 or YES option All changes are accepted by pressing ENTER which switches the display to the main menu Figure 3 3 3 5 or 3 7 depending on the previously selected charging supply mode NOTE The values of 145 0 V for Overvoltage and 125 0 V for Undervoltage limit are saved as default If the user changes the values of the default limits...

Page 17: ...he previously selected charging supply mode After entering the SET LANGUAGE submenu the following screen is displayed Figure 3 13 The Language menu The active language can be changed by using UP DOWN buttons Pressing the ENTER button the language change is confirmed and the display switches to the main menu Figure 3 3 3 5 or 3 7 depending on the previously selected charging supply mode 3 3 Chargin...

Page 18: ...es information on charging voltage charging current and duration Green and red LEDs flash alternately during the charging process If the user decides to change the charging voltage value during the charging process it can be achieved by pressing the MODE button Figure 3 16 Figure 3 16 The Charging screen Once the parameter is reset the ENTER button should be pressed to display the Charging menu Fi...

Page 19: ... messages are displayed Figure 3 19 The alarm messages The charging can be terminated in several ways If a preselected limit is reached STOP U STOP I or STOP T If the user presses the STOP button If a STOP U STOP I or STOP T limit is reached and the charging is stopped the corresponding message is displayed while the buzzer is on In case the user manually stop the test by pressing the STOP button ...

Page 20: ... initiated by pressing the START button Figure 3 22 The Charging screen The Charging screen provides information on charging voltage charging current and duration Green and red LEDs flash alternately during the charging process If the user decides to change a charge voltage during the charging process it can be achieved by pressing the MODE button Figure 3 23 Figure 3 23 Once Boost U and or Float ...

Page 21: ... interrupted in case alarm messages are displayed Figure 3 26 The alarm messages The charging can be terminated in several ways If a preselected limit is reached STOP U STOP I or STOP T If the user presses the STOP button If a STOP U STOP I or STOP T limit is reached and the charging is stopped the corresponding message is displayed while the buzzer is on Figure 3 27 In case the user manually stop...

Page 22: ... maximum charging current for a certain battery voltage range with the minimum achievable cell voltage of 1 75 V is shown in the Table 3 1 The highest resolution of the reading is always displayed Table 3 1 Maximum currents for various battery voltages at 220 V mains power supply Battery voltage Min Max voltage Max charge current 12 V 10 5 V 25 A 14 1 V 24 V 21 0 V 25 A 28 2 V 48 V 42 0 V 25 A 56 ...

Page 23: ...scale for each charging range Full scale Resolution Voltage range 0 125 V 0 1 V 125 300 V 0 1 V 0 15 A 0 1 A 15 40 A 0 1 A 3 3 4 Charging Rates Batteries can be charged at different rates depending on the requirement Typical rates are shown below Slow Charge Overnight or 14 16 hours charging at 0 1C rate Quick Charge 3 to 6 Hours charging at 0 3C rate Fast Charge Less than 1 hour charging at 1 0C ...

Page 24: ...steady mode However when relay closes the circuit between pins 2 and 1 the alarm is activated Figure 4 1 The external alarm connector The cable that is usually plugged in the above connector and connected to the external alarm is shown in the Figure 4 2 Figure 4 2 The external alarm cable Green cable corresponds to pin 2 which is connected to the active mode of the relay Brown cable corresponds to...

Page 25: ... ALARM MENU is set as ON and the selected value of the overvoltage is reached The alarm is activated and the buzzer is on The buzzer can be stopped by pressing the STOP button Figure 5 1 Alarm message Overvoltage 5 2 Alarm Message Undervoltage This message appears on the display when the ALARM STATUS in the ALARM MENU is set as ON and the selected value of the undervoltage is reached The alarm is ...

Page 26: ...age is displayed in case the current cables are connected properly but the voltage sense cables are connected in opposite polarity either on the side of a device or the side of a battery Figure 6 1 Error message VS Polarity 6 2 Error message Polarity This message is displayed in case the current cables are connected in opposite polarity either on the side of a device or the side of a battery Figur...

Page 27: ...ror message Malfunction If this message is shown on the display or if BAC25A cannot operate anymore at all a serious internal error occurred Please do not open BAC25A without permission and instructions given by IBEKO Power AB Please refer to Manufacturer Contact Information section for contact information Figure 6 5 Error message Malfunction 6 6 Error message Mains Voltage 90V This message is dis...

Page 28: ...t serial numbers hardware configuration and software revision Exact description of the problem including DUT Device Under Test error messages and the sequence of events before it appeared List of solutions that have been tried The Customer Support Department can be reached at Local support Sweden 46 8 731 78 24 International support 46 70 0925 000 E mail support dv power com Note We prefer contact...

Page 29: ...be sent to DV Power freight pre paid unless other arrangements have been authorized in advance by DV Power Customer Service To prepare an instrument for shipment please follow these instructions 1 Disconnect and remove all external cables Do not include manuals cables and transducer connecting rods unless recommended by DV Power Customer Service 2 Reuse the original packing material if it is avail...

Page 30: ...dg 0 25 FS 9 3 Environmental Conditions Temperature 10 C to 45 C 14 F to 113 F Maximum relative humidity 95 for temperatures up to 31 C decreasing linearly to 40 relative humidity at 45 C Pollution degree 2 9 4 Dimensions and Weight Dimensions 407 mm x 198 mm x 275 mm 16 in x 7 8 in x 10 8 in D x W x H without handle Weight 10 kg 22 lbs 9 5 Applicable Standards European standards EN 61010 1 LVD 20...

Page 31: ...d C2 10 06LMA2 Current cables 2 x 15 m 6 mm2 49 2 ft 9 AWG with alligator clamps A2 isolated C2 15 06LMA2 Current cables 2 x 20 m 6 mm2 65 6 ft 9 AWG with alligator clamps A2 isolated C2 20 06LMA2 Sense cables 2 x 5 m 2 5 mm2 16 4 ft 13 AWG with banana plugs dolphin clip S2 05 25BPDC Sense cables 2 x 10 m 2 5 mm2 32 8 ft 13 AWG with banana plugs dolphin clip S2 10 25BPDC Cable for external alarm 2...

Page 32: ...ssumes no responsibility for errors or omissions or for damages resulting from the use of the information contained herein IBEKO Power AB cannot take over liability resulting in any way from the use of this document or parts thereof The product information pictures drawings and all technical data contained within this manual are not contractually binding and IBEKO POWER AB reserves the right to ma...

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