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IBEKO POWER DV-Power TRT3A, Manual

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51 

TRT33A                                                                                                                                                              Vector Groups IEC

 

 

 

Table of vector group connections (IEC)

 

 

No. 

Vector 

group

 

Winding connections 

Connections 

Phase 

Limb 

Short 

circuit 

 

Tested winding 

Calculated 

ratio 

HV winding 

XV winding

 

HV winding 

XV winding

 

50 

Dyn9 

 

 

 

A 
B 
C 

I (II) 

II (III) 

III (I) 

- 
- 
- 

1V-1U 

1W-1V 
1U-1W 

 
 

2W-2N 

2U-2N 
2V-2N 

 
 

2

1

3

U

U

 

51 

Dy11 

 

 

 

 

A 
B 
C 

 

 

I+III 

I+II 

II+III 

 

 

1W-1V 
1U-1W 

1V-1U 

 

1U-(1W+1V) 
1V-(1U+1W) 
1W-(1V+1U) 

 

2V-2W 
2W-2U 

2U-2V

 

 

2

1

3

U

U

 

52  Dyn11 

 

 

 

A 
B 
C 

I 

II 

III 

 

- 
- 
- 

 

1V-1U 

1W-1V 
1U-1W 

2N-2U 
2N-2V 

2N-2W 

2

1

3

U

U

 

53 

Dz0 

 

 

 

A 
B 
C 

I 

II 

III 

- 
- 
- 

1V-1U 

1W-1V 
1U-1W 

 
 

2V-2U 

2W-2V 
2U-2W 

 
 

2

1

U

U

 

54 

Dzn0 

 

 

    

 

A 
B 
C 

I+III 

I+II 

II+III 

 

1V-1W 
1W-1U 

1U-1V 

 

 

1U-(1V+1W) 
1V-(1W+1U) 
1W-(1U+1V) 

 

 

2U-2N 
2V-2N 

2W-2N 

 

2

1

5

.

1

U

U

 

55 

Dz2 

 

 

 

A 
B 
C 

II 

III 

I 

- 
- 
-

 

1U-1V 

1V-1W 
1W-1U 

2W-2V 
2U-2W 

2V-2U 

2

1

U

U

 

56 

Dzn2 

 

 

 

 

A 
B 
C 

I+II 

II+III 

I+III 

 

1V-1W 
1W-1U 

1U-1V 

 

1U-(1V+1W) 
1V-(1W+1U) 
1W-(1U+1V) 

2N-2V 

2N-2W 

2N-2U 

2

1

5

.

1

U

U

 

57 

Dz4 

 

 

 

 

A 
B 
C 

 

I 

II 

III 

 

- 
- 
- 

 

1U-1V 

1V-1W 
1W-1U 

 

2W-2U 

2U-2V 

2V-2W 

2

1

U

U

 

 

1V

 

1U

 

1W

 

2V

 

2W

 

2U

 

2N

 

A 

B 

C 

a 

b 

c 

1W

 

2V

 

1U

 

1V

 

A 

B 

C 

*

 

2U

 

2W

 

c 

a 

b 

2W

 

1V

 

1U

 

1W

 

2V

 

2U

 

2N

 

A 

B 

C 

c 

b 

a 

2V

 

2U

 

2W

 

*

 

1V

 

1U

 

1W

 

A 

B 

C 

a 

b 

c 

1V

 

1U

 

1W

 

2V

 

2U

 

2W

 

2N

 

C 

A 

B 

a 

b 

c 

2W

 

B 

C 

A 

2V

 

2U

 

*

 

b 

a 

c 

1U

 

1W

 

1V

 

1U

 

1W

 

1V

 

2V

 

2U

 

2W

 

2N

 

B 

C 

A 

b 

a 

c 

1U

 

1W

 

1V

 

B 

C 

A 

*

 

2V

 

2U

 

2W

 

b 

a 

c 

Summary of Contents for DV-Power TRT3A

Page 1: ...TRT33A T H R E E P H A S E T R A N S F O R M E R T U R N S R A T I O T E S T E R Manual IBEKO POWER AB ...

Page 2: ...s Manual represents the technical status at the time of printing The product information specifications and all technical data contained within this Manual are not contractually binding IBEKO Power AB reserves the right to make changes at any time to the technology and or configuration without announcement IBEKO Power AB is not to be held liable for statements and declarations given in this Manual...

Page 3: ...nings due to incorrect operation Furthermore it ensures the reliability and life cycle of your TRT33A TRT33A must be used in observance of all existing safety requirements and regulations from national local standards for accident prevention and environmental protection Reading the TRT33A Manual alone does not exempt the user from the duty of complying with all national and international safety re...

Page 4: ...only occasionally or less frequently work with TRT33A assigned to TRT33A should read the operations Manual Do not undertake any modifications extensions or adaptations to the TRT33A Use TRT33A in conjunction with original accessories only Use both TRT33A and its original accessories for its designated use only 2 3 Cleaning To clean TRT33A use a cloth dampened with isopropanol alcohol or water 2 4 ...

Page 5: ...ions and separate this connection as the very last one Where possible the outer casing of the transformer under test should also be connected to a safety earth to prevent the risk of shock Where this cannot be achieved adequate precautions should be taken to prevent access to the transformer such as barriers Never exchange connections to the HV and LV sides of the transformer The H connections mus...

Page 6: ...inding is then measured the ratio of these voltages is calculated and shown on the display for all three phases Vector groups measured with single phase test voltages are shown at the end of this Manual When generating true three phase voltage the TRT33A generates and outputs a true three phase excitation test voltage to the three transformer primary windings The induced three phase voltage across...

Page 7: ...ry location SET To scroll between the CONFIGURATION and MEMORY menu set time and date or change memory location TC CONTROL unit To control Tap changer from the TRT33A device using UP and DOWN buttons Green LED Lights continuously when TRT33A is turned on Flashes when the test can be started Display UP DOWN to navigate and set test parameters ENTER to confirm the defined test parameters STOP to sto...

Page 8: ...d Date To set TRT33A s internal time and date choose SET TIME AND DATE by pressing ENTER Use SET to scroll between hours minutes seconds year month and day Confirm selection by pressing ENTER Earth ground connector For protection against parasitic currents or voltages always connect TRT33A earth ground connector to protective ground PE Use only the original cable For safety reasons always establis...

Page 9: ... Pay attention to connect cables successively for each corresponding channel 1U1N 2U2N 1V1N 2V2N 1W1N 2W2N H1H0 X1X0 H2H0 X2X0 H3H0 X3X0 AN an BN bn CN cn Unused clamps and cables must be left disconnected and also left on some isolated place To skip the test for one of the channels press STOP The next channel for connection to transformer is displayed After connection is finished press ENTER to c...

Page 10: ...splayed the display shows that the TRT is ready for the next channel to be accuracy controlled The measuring results are displayed after each channel is accuracy controlled Figure 4 10 Choosing test voltage in SET menu Figure 4 11 Ready for test Figure 4 12 RESULTS menu ...

Page 11: ...ustralian test lead colors also apply to India Malaysia and South Africa Never exchange connections to the HV and LV sides of the transformer Interchanging any of the connections may results in damage to the transformer or the TRT33A and also represents a safety hazard for personnel Keep the HV and XV cables physically separate to minimize the effects of any capacitive coupling between them Also e...

Page 12: ...e phase transformer To maximize accuracy and measurement repeatability make sure that all clamps have a good connection to the test object and avoid any crossing between measuring cables 5 1 1 Single phase transformer Connect the ground lead of the test set to a low impedance earth ground Connect the H and X test cables to the corresponding H and X connectors of the TRT33A Connect clips 1U and 1N ...

Page 13: ...2V 2W and 2N X1 X2 X3 and X0 a b c and n to the corresponding XV terminals of the transformer If there is no primarily or secondary neutral connection 1N or 2N leads H0 or X0 N or n must be separated and isolated If the three phase transformer has a tertiary winding it should be tested in the same manner as it is done for the secondary The transformer is energized using the high voltage windings T...

Page 14: ...lower test voltage for testing current transformers Current transformers with multiple secondary taps are tested similar to single secondary taps After each specific ratio is tested the HV leads can be moved to the next pair of secondary contacts of the transformer Polarity of a CT can be checked From the measured phase angle we can see the polarity of a CT If the phase angle is close to 0 degrees...

Page 15: ... c to the corresponding XV terminals and 2N X0 n to the neutral terminal of the transformer together with 1N H0 N If there is no primary or secondary neutral connection 1N H0 N or 2N X0 n leads must be separated and isolated C A U T I O N FOR SAFETY REASONS ALWAYS ESTABLISH A CONNECTION OF THE DEVICE WITH TEST OBJECT IN THE WAY AS DESCRIBED IN THIS MANUAL DO NOT CONNECT MEASURING CABLES AFTER TEST...

Page 16: ...inding with neutral point Z displayed displayed zigzag ZN displayed displayed zigzag with neutral point SINGLE hidden hidden single transformer CT hidden hidden current transformer CT AUTO hidden hidden autotransformer menu AVGD hidden hidden automatic vector group detection TRUE 3 TEST hidden hidden only true three phase test Press ENTER to choose available options in the configuration menu If th...

Page 17: ...has to choose frequency of the output voltage to be either 50 Hz or 60 Hz Note As an alternative supply in case of need a DC source could be used to power the TRT33A It can be connected directly to a DC source or via an inverter However in that case the accuracy can be slightly affected by some external or internal noise and we will be providing product updates on this issue regularly as we develo...

Page 18: ...V or LV is disconnected on the TRT33A side an alarm is activated and the error message is shown on the display During the test the red LED lights continuously symbolizing that the test voltage is applied If you want to abort the test you can press STOP The CONFIGURATION menu is displayed Viewing the Test Results Once the test is finished TRT33A automatically changes to the RES menu to display the ...

Page 19: ...de that TRT33A can detect vector group correctly the transformer under test has the windings distributed on different magnetic core legs it is necessary to measure phase displacement of transformers with irregular vector groups like phase shifting rectifier arc furnace and traction transformers In such a way the TRT33A will perform the test with true three phase voltage and show results Enter the ...

Page 20: ...ghest test voltage 100 V or even 40 V Press UP DOWN to set the value of your choice and then press ENTER to confirm Table 5 Applied single phase voltage Applied single phase voltage 1 V or 1 3 V Depends on the vector group 8 V or 8 3 V Depends on the vector group 40 V or 40 3 V Depends on the vector group 100 V or 100 3 V Depends on the vector group Table 6 Applied true three phase voltage Applied...

Page 21: ...continuously during the test Press STOP if you want to abort the test Display is showing CONFIGURATION menu If AVGD option in CONFIGURATION menu is selected the TRT33A will automatically detect vector group of transformer under test There will be question to continue test with detected vector group or to return to manually select the vector group Detected group The display when the TRT33A has dete...

Page 22: ...isplay the CONFIGURATION menu Continue of the test Once the vector group is detected and confirmed the TRT33A continues with the test Results of both true three phase and single phase tests of the three phase transformer are displayed To view all results press DOWN or ENTER The display is showing the test results from Test 1 Reading 01 within Test Record 02 Figure 5 27 Test results obtained with t...

Page 23: ...al reading can be printed pressing on PRINT button Press START PRINT simultaneously to print all measurements from actual Test Record The RES menu is displayed until you press on any other button After that the Test Next Tap message is displayed 5 2 3 Measurement on Autotransformers 5 2 3 1 Measurement on Single phase Autotransformers To test a single phase autotransformer choose AUTO option in th...

Page 24: ...a Displayed zigzag with neutral point AVGD Hidden automatic vector group detection TRUE 3 TEST Hidden only true three phase test SINGLE Hidden single phase autotransformer Table 8 PH displacement Configuration PH displacement Ya YNa 0 4 8 Da Za ZNa 0 1 2 11 When you select the AVGD option the TRT33A will automatically detect vector group of the autotransformer under test You can also select TRUE 3...

Page 25: ...teed Accuracy Ratio Range Guaranteed Accuracy Ratio Range Guaranteed Accuracy 0 8 999 0 125 0 8 999 0 125 0 8 999 0 125 0 8 999 0 125 1 000 1 999 0 25 1 000 3 999 0 25 1 000 3 999 0 25 1 000 3 999 0 25 4 000 15 000 0 5 4 000 15 000 0 5 4 000 15 000 0 5 1 V AC Test Voltage 8 V AC Test Voltage 40 V AC Test Voltage 100 V AC Test Voltage Guaranteed Excitation Current Accuracy is 2 mA Guaranteed Phase ...

Page 26: ... delete Results from actual Test Reading Selected Test Records All memory Press STOP to leave the CLEAR menu without deleting any results If you want to delete actual reading move the cursor to the CLEAR ACTUAL READING position and press ENTER button The message will appear to confirm that actual reading is deleted After the message is disappeared the TRT33A returns to the MEM menu Figure 5 33 The...

Page 27: ...t Results The results can be printed using PRINT The measurement results can be printed from MEM menu The test results from actual reading can be printed by pressing PRINT Press START PRINT simultaneously to print all measurements from actual Test Record Note It is not possible to print test results on the built in printer from DV Win software If it is attempted the device will be blocked and rese...

Page 28: ...e place where the TRT33A is placed The Tap Changer Control Unit allows the operator to continue the next tap measurement from the TRT33A position It is performed by pressing UP DOWN on the Tap Changer Control Unit block The operator has to connect the Tap Changer Control cable from the TRT33A to the tap changer operation box An example of that connection is shown on the figure below When the appro...

Page 29: ... of the file which will be saved on the USB flash drive move cursor to FILENAME position using SET Input characters using alphanumeric keypad After that choose which file formats do you want to save Move cursor to FORMATS position by pressing SET and pressing UP and DOWN choose between TXT CSV format or both of them to be saved Start exporting data by pressing ENTER The progress of exporting is di...

Page 30: ...signal that can be applied to the X connector is the one produced and controlled by the device itself Note You must not apply any external active signal power to the Tap Changer Remote control connector since any externally applied signal to the connector will damage the contacts Maximum voltage 264 V AC Maximum voltage 0 V AC Maximum voltage 0 V AC Maximum voltage 0 V AC Figure 5 43 Maximum allow...

Page 31: ...Reading parameter contains The date and the time of the test The transformer connection if selected The tap changer positions The test voltage The measured turns ratio values The turns ratio deviations The measured excitation current values The measured phase angle values The vector group of transformer under test The memory location 6 1 The minimum system requirements Processor Intel Pentium 4 Pr...

Page 32: ...on Now the TRT33A can be controlled from the PC The test is started by pressing icon Start new test with the device or selecting the Test button and then selecting New test In case that there is some communication problem it is necessary to check the following Is the green led diode on the TRT33A lit Is the TRT33A signaling any error Is the serial cable connected tightly Once the device is selecte...

Page 33: ... in the TRT33A Manual The test can be performed using DV Win software If a user wants to analyze these results later it should be saved on the hard disk The table is going to be saved as a PDF XLS DOC and RTF file so it can be later used with all Excel functions After all connections are properly done and DV Win is started chose the Measurement mode by clicking with the mouse on the Measurement ta...

Page 34: ...est is finished test results are saved in the data table When results are obtained there is a question whether to test the next tap position If the operator chooses No option the test is finished However if the operator chooses Yes option a new message will appear on the display to enter parameters of the next tap changer position After entering parameters for the next tap press OK button and the ...

Page 35: ... be stopped Make report Once the measurement is completed click on the Make report button to save results Here user can change Company information such as inserting company logo in BMP format entering company name address and contact details which will be displayed in the upper left corner of the report In the Report Comment part user can write in comments These comments will be displayed on the l...

Page 36: ...ity features of Windows Vista and Windows 7 may prevent saving data to default DV Win working directory under Program Files directory This is under condition that the User Account Control UAC option is enabled on user s computer In this case the data is saved to Virtual Store directory which is hidden and may prevent user to find saved files If the UAC is enabled it is suggested to save data in ot...

Page 37: ...ion All All the test results are being transferred from the internal TRT33A memory to the PC Memory range It opens a new window that allows a choice of memory locations to be transferred to the PC The results that are located in the range between these memory locations including the chosen memory locations will be transferred to the PC Date The results that are obtained on the chosen date are goin...

Page 38: ...s to user to download results from internal memory of TRT33A with more precise criteria The user can select results to be downloaded using certain test type performed with the TRT33A Start When this key is pressed the selected results are transferred from the internal TRT33A memory to the PC Unless the user chooses some other option all the results from the TRT33A memory will be transferred the op...

Page 39: ... results obtained in Single phase test Single phase Ratio Deviation calculated ratio deviation obtained in Single phase test Pass Fail1 displays pass or fail of the single phase test Single phase Excitation Current excitation current values obtained in Single phase test Single phase Phase Angle phase angle deviations obtained in Single phase test Three phase Test Voltage the true three phase test ...

Page 40: ...high The Error message Excitation current too high is displayed if the excitation current exceeds expected values This value is set to 500 mA Excitation current can be reduced by using lower test voltages from the device menu Possible reasons for this are that the transformer is drawing too much current In that case repeat the test with a lower test voltage Second reason for too high excitation cu...

Page 41: ...section Manufacturer Contact Information The message Check paper is displayed if the printer is out of paper The paper roll should be aligned with the paper intake without horizontal offset and central axis of the paper roll must be parallel with the printer as shown at Figure 7 6 Also pay attention to insert paper in proper way to the printer since it must enter paper intake from the lower side o...

Page 42: ...rm the test four times using each test voltage Save all results 3 Connect the shorted primary and secondary cables clamps of the TRT instrument to the primary side of the transformer as shown on the picture below Perform the test four times using each test voltage Save all results 4 Take the secondary cables clamps of the TRT instrument from the primary side of the transformer and connect them to ...

Page 43: ... 3 Display LCD Screen 20 Characters by 4 Lines LCD display with backlight viewable in bright sunlight 9 4 Interface TRT33A is equipped with an USB port to connect to an external computer 9 5 Test result Storage TRT33A can store 100 transformer Test Records each Test Record can store 100 Test Readings 9 6 Environmental conditions Indoor use Altitude below 2000 m Temperature 10 C 55 C 14 F 131 F Max...

Page 44: ...DV Win PC software including USB cable Built in Tap Changer Control Unit Tap Changer Control cable 5 m Mains power cable Ground PE cable Cable bag CABLE BAG 00 Additional Article No H winding test cable extension 10 m shielded HE 10 03MCWC X winding test cable extension 10 m shielded XE 10 03FCWC H winding test lead 3 m single phase connection clip end terminated HC 03 01MCWC X winding test lead 3...

Page 45: ...V 2W 2W 2U 2 1 U U 5 YNy0 A B C I II III 1V 1N 1W 1N 1U 1N 1U 1V 1N 1V 1W 1N 1W 1U 1N 2U 2V 2V 2W 2W 2U 2 1 U U 6 YNyn0 A B C I II III 1U 1N 1V 1N 1W 1N 2U 2N 2V 2N 2W 2N 2 1 U U 7 Yy6 A B C II I II III I III 1V 1U 1W 1V 1U 1W 2U 2V 2V 2W 2W 2U 2 1 U U 8 Yyn6 A B C I II II III III I 1U 1V 1V 1W 1W 1U 2V 2U 2W 2V 2U 2W 2 1 U U 9 YNy6 A B C I II III 1V 1N 1W 1N 1U 1N 1U 1N 1V 1N 1W 1N 2V 2U 2W 2V 2U...

Page 46: ... I II 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2W 2U 2U 2V 2V 2W 2 3 2 1 U U 14 YNd5 A B C I II II 1U 1N 1V 1N 1W 1N 2W 2U 2U 2V 2V 2W 3 2 1 U U 15 Yd7 A B C I II III II I III III I II 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2V 2U 2W 2V 2U 2W 2 3 2 1 U U 16 YNd7 A B C I II III 1U 1N 1V 1N 1W 1N 2V 2U 2W 2V 2U 2W 3 2 1 U U 17 Yd11 A B C I II III II I III III I II 1W 1V 1U 1W 1V 1U 1U 1W 1V...

Page 47: ...1V 1U 1W 2V 2N 2W 2N 2U 2N 2 1 3 U U 22 YNz1 A B C I II III II I III III I II 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2U 2V 2V 2W 2W 2U 2 3 2 1 U U 23 Yz5 A B C I II III II I III III I II 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2W 2U 2U 2V 2V 2W 2 3 2 1 U U 24 Yzn5 A B C II I III II I III 1V 1U 1W 1V 1U 1W 2U 2N 2V 2N 2W 2N 2 1 3 U U 25 YNz5 A B C I II III II I III III I II 1V 1W 1W 1U 1...

Page 48: ...V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2V 2U 2W 2V 2U 2W 2 3 2 1 U U 30 YNzn7 A B C II I III II I III 1V 1U 1W 1V 1U 1W 2N 2V 2N 2W 2N 2U 2 1 3 U U 31 Yz11 A B C I II II I II I II I III I I I 1W 1V 1U 1W 1V 1U 1U 1W 1V 1V 1U 1W 1W 1V 1U 2U 2W 2V 2U 2W 2V 2 3 2 1 U U 32 Yzn11 A B C II I III II I III 1V 1U 1W 1V 1U 1W 2N 2U 2N 2V 2N 2W 2 1 3 U U 33 YNz11 A B C I II III II I III III I II 1W 1V 1...

Page 49: ...W 2V 2U 2 1 U U 37 Dd4 A B C I II III 1U 1V 1V 1W 1W 1U 2W 2U 2U 2V 2V 2W 2 1 U U 38 Dd6 A B C I II III 1V 1U 1W 1V 1U 1W 2U 2V 2V 2W 2W 2U 2 1 U U 39 Dd8 A B C II III I 1U 1V 1V 1W 1W 1U 2V 2W 2W 2U 2U 2V 2 1 U U 40 Dd10 A B C I II III 1U 1V 1V 1W 1W 1U 2U 2W 2V 2U 2W 2V 2 1 U U 41 Dy1 A B C II III I 1W 1U 1U 1V 1V 1W 1V 1W 1U 1W 1U 1V 1U 1V 1W 2V 2W 2W 2U 2U 2V 2 1 2 3 U U 1V 1U 1W 1N 2W 2V 2N 2...

Page 50: ... 1W 1V 1U 1W 1V 1U 1U 1W 1V 1V 1U 1W 1W 1V 1U 2W 2V 2U 2W 2V 2U 2 1 3 U U 46 Dyn5 A B C I II III 1V 1U 1W 1V 1U 1W 2U 2N 2V 2N 2W 2N 2 1 3 U U 47 Dy7 A B C I II II III I III 1W 1V 1U 1W 1V 1U 1U 1W 1V 1V 1U 1W 1W 1V 1U 2W 2U 2U 2V 2V 2W 2 1 3 U U 48 Dyn7 A B C II III I 1V 1U 1W 1V 1U 1W 2N 2V 2N 2W 2N 2U 2 1 3 U U 49 Dy9 A B C I III I II I II II III II III I III 1W 1V 1U 1W 1V 1U 1U 1W 1V 1V 1U 1W...

Page 51: ... U 53 Dz0 A B C I II III 1V 1U 1W 1V 1U 1W 2V 2U 2W 2V 2U 2W 2 1 U U 54 Dzn0 A B C I III I II II III 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2U 2N 2V 2N 2W 2N 2 1 5 1 U U 55 Dz2 A B C II III I 1U 1V 1V 1W 1W 1U 2W 2V 2U 2W 2V 2U 2 1 U U 56 Dzn2 A B C I II II III I III 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2N 2V 2N 2W 2N 2U 2 1 5 1 U U 57 Dz4 A B C I II III 1U 1V 1V 1W 1W 1U 2W 2U 2U 2V...

Page 52: ...N 2W 2 1 5 1 U U 61 Dz8 A B C II III I 1U 1V 1V 1W 1W 1U 2V 2W 2W 2U 2U 2V 2 1 U U 62 Dzn8 A B C I II II III I III 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2V 2N 2W 2N 2U 2N 2 1 5 1 U U 63 Dz10 A B C I II III 1U 1V 1V 1W 1W 1U 2U 2W 2V 2U 2W 2V 2 1 U U 64 Dzn10 A B C I III I II II III 1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2N 2W 2N 2U 2N 2V 2 1 5 1 U U 65 Zd0 A B C I II III 1U 1V 1V 1W 1...

Page 53: ...1U 1W 1V 1V 1U 1W 1V 1U 1W 2U 2V 2V 2W 2W 2U 2 3 2 1 U U 70 Zy11 A B C II I III II I III 1U 1W 1V 1U 1W 1V 1V 1U 1W 1W 1V 1U 1U 1W 1V 2V 2U 2W 2V 2U 2W 2 3 2 1 U U 71 Zyn11 A B C II I III II I III 1U 1W 1V 1U 1W 1V 1V 1U 1W 1W 1V 1U 1U 1W 1V 2V 2U 2W 2V 2U 2W 2 1 5 1 U U 72 ZNy11 A B C II I III II I III 1U 1W 1V 1U 1W 1V 1V 1U 1W 1W 1V 1U 1U 1W 1V 2V 2U 2W 2V 2U 2W 2 3 2 1 U U 73 ZNyn11 A B C II I...

Page 54: ...winding HV winding XV winding 74 Zd0 A B C I II III 1U 1V 1V 1W 1W 1U 2U 2V 2V 2W 2W 2U 2 1 U U 75 ZNd0 A B C I III II I III II 1V 1W 1W 1U 1U 1V 1U 1N 1V 1N 1W 1N 2U 2V 2V 2W 2W 2U 3 2 2 1 U U 76 ZNd6 A B C I III II I III II 1V 1W 1W 1U 1U 1V 1U 1N 1V 1N 1W 1N 2V 2U 2W 2V 2U 2W 3 2 2 1 U U 1U 1W 1V C B A 2U 2W 2V b a c 1U 1W 1V 1N C B A 2U 2W 2V b a c 1U 1W 1V 1N C B A 2V 2U 2W b c a ...

Page 55: ...I I III II 1U 1N 1V 1N 1W 1N 2W 2U 2U 2V 2V 2W 2 1 U U 81 Ya8 A B C II I III II I III 1U 1W 1V 1U 1W 1V 1V 1U 1W 1W 1V 1U 1U 1W 1V 2V 2U 2W 2V 2U 2W 2 1 U U 82 YNa8 A B C I III II I III II 1U 1N 1V 1N 1W 1N 2U 2W 2V 2U 2W 2V 2 1 U U 83 Da A B C I II III 1U 1V 1V 1W 1W 1U 2U 2V 2V 2W 2W 2U 2 1 U U 84 Za A B C I II III 1U 1V 1V 1W 1W 1U 2U 2V 2V 2W 2W 2U 2 1 U U 85 ZNa A B C I II III 1U 1V 1V 1W 1W ...

Page 56: ... X2 X3 X3 X1 X H V V 5 YNy0 A B C I II III H2 H0 H3 H0 H1 H0 H1 H2 H0 H2 H3 H0 H3 H1 H0 X1 X2 X2 X3 X3 X1 X H V V 6 YNyn0 A B C I II III H1 H0 H2 H0 H3 H0 X1 X0 X2 X0 X3 X0 X H V V 7 Yy6 A B C II I II III I III H1 H2 H2 H3 H3 H1 X2 X1 X3 X2 X1 X3 X H V V 8 Yyn6 A B C I II II III III I H1 H2 H2 H3 H3 H1 X2 X1 X3 X2 X1 X3 X H V V 9 YNy6 A B C I II III H2 H0 H3 H0 H1 H0 H1 H0 H2 H0 H3 H0 X2 X1 X3 X2 ...

Page 57: ...I I II H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X3 X1 X1 X2 X2 X3 2 3 X H V V 14 YNd5 A B C I II II H1 H0 H2 H0 H3 H0 X3 X1 X1 X2 X2 X3 3 X H V V 15 Yd7 A B C I II III II I III III I II H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X2 X1 X3 X2 X1 X3 2 3 X H V V 16 YNd7 A B C I II III H1 H0 H2 H0 H3 H0 X2 X1 X3 X2 X1 X3 3 X H V V 17 Yd11 A B C I II III II I III III I II H3 H2 H1 H3 H2 H1 H1 H3 H...

Page 58: ...1V 1W 1W 1U 1U 1V 1U 1V 1W 1V 1W 1U 1W 1U 1V 2U 2V 2V 2W 2W 2U 2 3 X H V V 22 YNzn1 A B C II I III II I III H2 H1 H3 H2 H1 H3 X2 X0 X3 X0 X1 X0 X H V V 3 23 Yz5 A B C I II III II I III III I II H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X3 X1 X1 X2 X2 X3 2 3 X H V V 24 Yzn5 A B C II I III II I III H2 H1 H3 H2 H1 H3 X1 X0 X2 X0 X3 X0 X H V V 3 25 YNz5 A B C I II III II I III III I II 1V 1W 1W 1U ...

Page 59: ... H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X2 X1 X3 X2 X1 X3 2 3 X H V V 30 YNzn7 A B C II I III II I III H2 H1 H3 H2 H1 H3 X0 X2 X0 X3 X0 X1 X H V V 3 31 Yz11 A B C I II III II I III III I II H3 H2 H1 H3 H2 H1 H1 H3 H2 H2 H1 H3 H3 H2 H1 X1 X3 X2 X1 X3 X2 2 3 X H V V 32 Yzn11 A B C II I III II I III H2 H1 H3 H2 H1 H3 X0 X1 X0 X2 X0 X3 X H V V 3 33 YNz11 A B C I II III II I III III I II H3 H2 H1...

Page 60: ...3 X2 X1 X H V V 37 Dd4 A B C I II III H1 H2 H2 H3 H3 H1 X3 X1 X1 X2 X2 X3 X H V V 38 Dd6 A B C I II III H2 H1 H3 H2 H1 H3 X1 X2 X2 X3 X3 X1 2 1 U U 39 Dd8 A B C II III I H1 H2 H2 H3 H3 H1 X2 X3 X3 X1 X1 X2 X H V V 40 Dd10 A B C I II III H1 H2 H2 H3 H3 H1 X1 X3 X2 X1 X3 X2 X H V V 41 Dy1 A B C II III I H3 H1 H1 H2 H2 H3 H2 H3 H1 H3 H1 H2 H1 H2 H3 X2 X3 X3 X1 X1 X2 X H V V 2 3 H2 H1 H3 H0 X3 X2 X0 X...

Page 61: ...III H2 H1 H3 H2 H1 H3 X1 X0 X2 X0 X3 X0 X H V V 3 47 Dy7 A B C I II II III I III H3 H2 H1 H3 H2 H1 H1 H3 H2 H2 H1 H3 H3 H2 H1 X3 X1 X1 X2 X2 X3 X H V V 3 48 Dyn7 A B C II III I H2 H1 H3 H2 H1 H3 X0 X2 X0 X3 X0 X1 X H V V 3 49 Dy9 A B C I III I II I II II III II III I III H3 H2 H1 H3 H2 H1 H1 H3 H2 H2 H1 H3 H3 H2 H1 X2 X1 X3 X2 X1 X3 X H V V 3 H1 H3 H2 X3 X1 X2 X0 a b c A B C H2 H1 H3 C B A X3 X2 X...

Page 62: ... II III H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X1 X0 X2 X0 X3 X0 X H V V 5 1 55 Dz2 A B C II III I H1 H2 H2 H3 H3 H1 X3 X2 X1 X3 X2 X1 X H V V 56 Dzn2 A B C I II II III I III H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X0 X2 X0 X3 X0 X1 X H V V 5 1 57 Dz4 A B C I II III H1 H2 H2 H3 H3 H1 X3 X1 X1 X2 X2 X3 X H V V H2 H1 H3 X2 X3 X1 X0 A B C a b c H3 X2 H1 H2 A B C X1 X3 c a b X3 H2 H1 H3 X2 ...

Page 63: ...X0 X3 X H V V 5 1 61 Dz8 A B C II III I H1 H2 H2 H3 H3 H1 X2 X3 X3 X1 X1 X2 X H V V 62 Dzn8 A B C I II II III I III H2 H3 H3 H1 H1 H2 H1 H2 H3 H2 H3 H1 H3 H1 H2 X2 X0 X3 X0 X1 X0 X H V V 5 1 63 Dz10 A B C I II III H1 H2 H2 H3 H3 H1 X1 X3 X2 X1 X3 X2 X H V V 64 Dzn10 A B C I III I II II III H2 H3 H3 H1 H1 H2 H2 H2 H3 H2 H3 H1 H3 H1 H2 X0 X3 X0 X2 X0 X3 X H V V 5 1 65 Zd0 A B C I II III H1 H2 H2 H3 ...

Page 64: ... 1U 1W 1V 1U 1W 1V 1V 1U 1W 1V 1U 1W 2U 2V 2V 2W 2W 2U 2 3 2 1 U U 70 Zy11 A B C II I III II I III H1 H3 H2 H1 H3 H2 H2 H1 H3 H3 H2 H1 H1 H3 H2 X2 X1 X3 X2 X1 X3 2 3 X H V V 71 Zyn11 A B C II I III II I III H1 H3 H2 H1 H3 H2 H2 H1 H3 H3 H2 H1 H1 H3 H2 X2 X1 X3 X2 X1 X3 2 1 5 1 U U 72 ZNy11 A B C I III II I III II H1 H0 H2 H0 H3 H0 X1 X3 X2 X1 X3 X2 3 X H V V 73 ZNyn11 A B C II I III II I III H1 H3...

Page 65: ... winding XV winding 74 Zd0 A B C I II III H1 H2 H2 H3 H3 H1 X1 X2 X2 X3 X3 X1 X H V V 75 ZNd0 A B C I III II I III II H2 H3 H3 H1 H1 H2 H1 H0 H2 H0 H3 H0 X1 X2 X2 X3 X3 X1 3 2 X H V V 76 ZNd6 A B C I III II I III II H2 H3 H3 H1 H1 H2 H1 H0 H2 H0 H3 H0 X2 X1 X3 X2 X1 X3 3 2 X H V V H1 H3 H2 H0 C B A X1 X3 X2 b a c H1 H3 H2 H0 C B A X2 X1 X3 b c a H1 H3 H2 C B A X1 X3 X2 b a c ...

Page 66: ...I H1 H0 H2 H0 H3 H0 X3 X1 X1 X2 X2 X3 X H V V 81 Ya8 A B C II I III II I III H1 H3 H2 H1 H3 H2 H2 H1 H3 H3 H2 H1 H1 H3 H2 X2 X1 X3 X2 X1 X3 X H V V 82 YNa8 A B C I III II I III II H1 H0 H2 H0 H3 H0 X1 X3 X2 X1 X3 X2 X H V V 83 Da A B C I II III H1 H2 H2 H3 H3 H1 X1 X2 X2 X3 X3 X1 X H V V 84 Za A B C I II III H1 H2 H2 H3 H3 H1 X1 X2 X2 X3 X3 X1 X H V V 85 ZNa A B C I II III H1 H2 H2 H3 H3 H1 X1 X2 ...

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