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Basler SR6A, Instruction Manual, Page: 25 / 42

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Basler SR6A Instruction Manual Download Page 25

 

Notes: 

1)  When more than 3 generators are to be paralleled, continue connections as shown. 
2)  Paralleling CT polarities are shown A-B-C phase rotation. 

Figure 9. Reactive Differential (Cross-Current) Compensation CT’s Interconnection 

 

 

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Summary of Contents for SR6A

Page 1: ...Number 9017700XXX Publication 9017700991 Revision J Jul 13 CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUO...

Page 2: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 3: ...ng caution and note boxes Each type is illustrated and defined as follows Warning Warning boxes call attention to conditions or actions that may cause personal injury or death Caution Caution boxes ca...

Page 4: ...Terms of Products and Services document available at www basler com terms This publication contains confidential information of Basler Electric Company an Illinois corporation It is loaned for confid...

Page 5: ...order Manual Revision and Date Change J Jul 13 Converted manual into new style and structure I This revision letter not used A through H No data available Nov 75 Initial release CALL US TODAY 1 888 PO...

Page 6: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 7: ...s Terminal A 13 Input Power Terminals 3 and 4 13 Parallel Compensation Terminals 1 and 2 14 Reactive Droop Compensation Droop 14 Reactive Differential Compensation Cross Current 14 Wiring 18 Operation...

Page 8: ...29 Poor Voltage Stability 30 Voltage Recovers Slowly with Load Change 31 Parallel Generators Do Not Divide Real Power Load Equally 31 No Reactive Droop Compensation Can Be Obtained for Parallel Gener...

Page 9: ...nsation 5 A at 25 VA Droop Adjustment to 6 Power Input SR6A 120 Vac 10 400 Hz 840 VA SR9A 240 Vac 10 400 Hz 1 680 VA If correct voltage is not available for power input a suitable power transformer mu...

Page 10: ...act the factory for additional variations Parallel compensation Voltage build up relay Single or three phase sensing Sensing voltage Cover Voltage adjust rheostat Type of stability circuit Accessories...

Page 11: ...range will occur Model and Style Number Description SR6A and SR9A electrical characteristics and operational features are defined by a combination of letters and numbers that make up the style number...

Page 12: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 13: ...ew cycles after load application A short circuit on the generator output could reduce the voltage from the generator to zero Either of these conditions can cause reduction of the available field power...

Page 14: ...enerator output voltage When a lagging power inductive load is applied to the generator the voltage across R25 becomes more in phase with the sensing voltage and the combined vectors of the two voltag...

Page 15: ...ive differential compensation cannot be used when paralleled with the utility or other infinite utility bus When reactive differential compensation is to be used on an isolated bus that may parallel w...

Page 16: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 17: ...emperature does not exceed its operational limits Due to its rugged construction the regulator can be mounted directly on the generator Outline dimensions are shown in Figure 3 Figure 3 Outline Drawin...

Page 18: ...in Figure 4 Figure 4 Outline Drawing Voltage Adjust Rheostat Basler P N 03456 CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 PO...

Page 19: ...ion The SR6A SR9A Voltage Regulators are factory preset for 120 Vac sensing The voltage regulator contains an internal sensing transformer s T1 T2 provided with taps for various input sensing voltages...

Page 20: ...al labeled with the desired sensing voltage Step 6 For three phase sensing units move the wire at terminal T1 120 to the T1 terminal labeled with the desired sensing voltage Also move the wire from te...

Page 21: ...shown in Figure 7 If these polarities are not known the system should be operated on manual voltage control and the polarities accurately determined before connecting the voltage regulator into the s...

Page 22: ...ge drop is not objectionable Reactive Differential Compensation Cross Current On parallel reactive differential compensation applications a contact should be used to short the paralleling CT secondary...

Page 23: ...Brush Type Rotary Exciter CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ON...

Page 24: ...s Rotary Exciter or Static Exciter CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com...

Page 25: ...ies are shown A B C phase rotation Figure 9 Reactive Differential Cross Current Compensation CT s Interconnection CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www gen...

Page 26: ...n Figure 10 Figure 10 Internal Wiring Diagram CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genp...

Page 27: ...be temporarily installed for initial operation Caution When used this switch must always be installed in the input power line to the regulator terminal 3 or 4 Do not install this switch in the dc fiel...

Page 28: ...hould be completely reviewed and understood before system operation is attempted Also locating controls and adjustments pertinent to system operation would be beneficial Single Unit Operation No Load...

Page 29: ...e cause of generator voltage instability If a stability problem still exists after performing the procedure in Single Unit Operation f and g above a thorough check of the governor should be made Field...

Page 30: ...features function properly The following test may be used a Place each set in operation in accordance with Initial Operation Single Unit Operation earlier in this chapter b Verify that the paralleling...

Page 31: ...er readings are proportional and the power factor readings are equal Note To obtain the best results final adjustments should be made with full load on the bus n With full load applied readjust the sp...

Page 32: ...and voltage regulator causes paralleling problems that cannot be isolated using manual control CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL U...

Page 33: ...from the date of shipment from Basler Electric Units submitted for warranty repair should be returned to Basler Electric freight prepaid with complete description of the installation and the reported...

Page 34: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 35: ...ltage is correct proceed to Step 6 Step 6 Verify that the generator output is neither shorted nor overloaded If the generator output is shorted remove the short and repair the wiring If the generator...

Page 36: ...external Voltage Adjust Potentiometer R1 If the Voltage Adjust Potentiometer is shorted replace the Voltage Adjust Potentiometer If the Voltage Adjust Potentiometer is not shorted proceed to Step 4 S...

Page 37: ...Step 2 Check that the Voltage Adjust Potentiometer R3 is not set too low If the Voltage Adjust Potentiometer is set too low adjust the potentiometer If the Voltage Adjust Potentiometer is within limit...

Page 38: ...load is not unbalanced as the regulator averages all three phases together For single phase sensing proceed to Step 7 If the load is unbalanced balance the load If the load is balanced proceed to Step...

Page 39: ...setting If R4 is properly adjusted proceed to Step 3 Step 3 Verify that the generator frequency is stable If the frequency is unstable consult with the governor manufacturer If the frequency is stabl...

Page 40: ...n in the Installation chapter If the CT does provide the required 3 to 5 A secondary current proceed to Step 3 Step 3 Verify that the paralleling CT s polarity is correct If the CT s polarity is incor...

Page 41: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

Page 42: ...CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com...

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