VECTOR GROUP OF TRANSFORMER PDF



Vector Group Of Transformer Pdf

vector group of transformer Electric power. single-phase transformers with a new three-phase transformer rather than buying another single-phase transformer. When the user desires an identical replacement transformer, all the parameters of the, The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced due to that particular configuration of transformer windings connection. The Determination of vector group of transformers is very important before connecting two or more transformers in parallel. If.

How transformer vector group is determined? ResearchGate

Harmonic Analysis of Power Transformer Vector Groups. - vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift, Transformer vector group calculation.pdf Transformer vector group calculation.pdf.zip.

Voltage of Transformer 1 (V1) has angle of 0 while voltage of Transformer 2 (V2) has angle of 150бµ’ due to different vector group. The individual output voltage of each transformer as well as the bus voltage is shown in the following figure. Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online.

В© Gilbert and Maxwell Transformers Pvt. Ltd. Material made available on the website is proprietary and VECTOR GROUP:- Dd 2 1U 1V 1W - vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift

Issues to Consider when Substituting Large Power Transformers in Generating Stations Relu Ilie, Israel Electric Corporation , and Isidor Kerszenbaum, Exponent, Inc. Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

15/08/2012В В· Understanding Vector Group of Transformer (part 1)111663 Introduction Three phase transformer consists of three sets ofprimary windings, one for each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transformers can be used and externally interconnected to yield the same results as a 3-phase unit. Voltage of Transformer 1 (V1) has angle of 0 while voltage of Transformer 2 (V2) has angle of 150бµ’ due to different vector group. The individual output voltage of each transformer as well as the bus voltage is shown in the following figure.

The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. Use the hour indicator as the indicating phase displacement angle. delta‑zigzag. Phase rotation is always anti‑clockwise. 6 = 180° and 12 = 0° or 360°. (International adopted). 11 etc) relate to the phase displacement between the HV and LV windings using a clock face notation. depending on Transformer manufacturers are being forced to design to the limits of specification to remain competitive in the market place. (Fig.1) vector group (as per nameplate) is correct. The measured ratio must compare with the calculated ratio on any given tap to within – 0,5%. The test ensures internal connections are correct and no short circuited turns exist. During preventive maintenance

- vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift In electrical engineering, a vector group is the International Electrotechnical Commission (IEC) method of categorizing the high voltage (HV) windings and low voltage (LV) winding configurations

The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. presentation on vector group Recherche Recherche

Harmonic Analysis of Power Transformer Vector Groups

vector group of transformer pdf

Vector Group Transformer Physical Quantities. Transformer vector group calculation.pdf Transformer vector group calculation.pdf.zip, Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on.

Vector Group Transformer Electric Power Scribd. 23/05/2012 · Vector Group of Transformer: The three phase transformer windings can be connected several ways. Based on the windings’ connection, the vector group of the transformer is determined. The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced …, Understanding Vector Group of Transformer (1) jiguparmar Und e rs tand ing Ve c to r G ro up o f Trans fo rme r Introduction T hree phase transf ormer consists of three sets of primary windings, one f or each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transf ormers can be used and externally interconnected to yield the same results as a 3.

All about vector group of Transformer

vector group of transformer pdf

Understanding Vector Group of Transformer vdocuments.site. Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. - vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift.

vector group of transformer pdf

  • Transformer vector group calculation WordPress.com
  • Understanding Vector Group of Transformer (Part 1

  • Understanding Vector Group of Transformer (Part 1) - Download as PDF File (.pdf), Text File (.txt) or read online. Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

    A transformer may be used as a safe and efficient voltage converter to change the AC voltage at its input to a higher or lower voltage at its output. Other uses include current conversion, isolation with or without changing voltage and impedance conversion. This paper consists specification of transformer to be checked and its procedure of measurement of voltage ratio between HV and LV winding The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below

    Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Design of Transformer. Transformer Testing Notes . 3 phase Transformer vector groups. AREVA the Testing of Transformer. Vector Group of Transformer « Electrical Notes & Articles. Transformers - Vector Group. Testing of Power Transformers. Design of Protection Scheme using Distance … The power transformer connection type, the vector group and the subtraction of zero sequence currents (On/Off) are setting parameters – from these the differential protection calculates off-line the matrix coefficients, which are then used in the on-line calculations

    How to Determine Transformer Vector Group A vector group is the International Electrotechnical Commission (IEC) method of defining high voltage (HV) and low voltage (LV) winding configurations of three-phase transformers. The power transformer connection type, the vector group and the subtraction of zero sequence currents (On/Off) are setting parameters – from these the differential protection calculates off-line the matrix coefficients, which are then used in the on-line calculations

    15/08/2012В В· Understanding Vector Group of Transformer (part 1)111663 Introduction Three phase transformer consists of three sets ofprimary windings, one for each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transformers can be used and externally interconnected to yield the same results as a 3-phase unit. В© Gilbert and Maxwell Transformers Pvt. Ltd. Material made available on the website is proprietary and VECTOR GROUP:- Dd 2 1U 1V 1W

    A transformer may be used as a safe and efficient voltage converter to change the AC voltage at its input to a higher or lower voltage at its output. Other uses include current conversion, isolation with or without changing voltage and impedance conversion. This paper consists specification of transformer to be checked and its procedure of measurement of voltage ratio between HV and LV winding In electrical engineering, a vector group is the International Electrotechnical Commission (IEC) method of categorizing the high voltage (HV) windings and low voltage (LV) winding configurations

    15/08/2012В В· Understanding Vector Group of Transformer (part 1)111663 Introduction Three phase transformer consists of three sets ofprimary windings, one for each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transformers can be used and externally interconnected to yield the same results as a 3-phase unit. - vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift

    Vector group is important when you run the transformers in parallel. One of the criteria for parallel run of transformers is that the transformers to be run in parallel have to be of same vector group. If you do not have the intension to run it parallel with any other transformer, it should be ok to go for YNyn0. The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below

    This Best HD Alpha Profile Pdf Page Pictures Publised at October 25th, 2018 in category and tags Power Transformer Vector Group, . The Dimension of this image 1500 in width and 1125 in height. Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

    Vector Group Entries - Forum - Industry Support - Siemens

    vector group of transformer pdf

    Understanding Vector Group of Transformer vdocuments.site. Vector group is important when you run the transformers in parallel. One of the criteria for parallel run of transformers is that the transformers to be run in parallel have to be of same vector group. If you do not have the intension to run it parallel with any other transformer, it should be ok to go for YNyn0., Transformer manufacturers are being forced to design to the limits of specification to remain competitive in the market place. (Fig.1) vector group (as per nameplate) is correct. The measured ratio must compare with the calculated ratio on any given tap to within – 0,5%. The test ensures internal connections are correct and no short circuited turns exist. During preventive maintenance.

    Understanding Vector Group of Transformer (Part 1

    Harmonic Analysis of Power Transformer Vector Groups. 23/05/2012 · Vector Group of Transformer: The three phase transformer windings can be connected several ways. Based on the windings’ connection, the vector group of the transformer is determined. The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced …, The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below.

    Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. How to Determine Transformer Vector Group A vector group is the International Electrotechnical Commission (IEC) method of defining high voltage (HV) and low voltage (LV) winding configurations of three-phase transformers.

    Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. presentation on vector group Recherche Recherche Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online.

    23/05/2012 · Vector Group of Transformer: The three phase transformer windings can be connected several ways. Based on the windings’ connection, the vector group of the transformer is determined. The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced … - vector group adaptation of the WINDING 2 phase currents to phase shift of the reference winding (WINDING 1) of the transformer, by using additional phase shift

    The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced due to that particular configuration of transformer windings connection. The Determination of vector group of transformers is very important before connecting two or more transformers in parallel. If transformer vector group. The IEC code consists of two or more letters followed by 1 or 2 digits. The letter that comes first is capital letter which might be D, Y or Z, (Delta, Star or Interconnected star respectively), which stands for High voltage side. The letter that comes second is a small letter that might be y, d or z (star, delta, or interconnected star) windings respectively; which

    4/06/2005 · The vector group denotes the way in which the windings are connected and the phase position of their respective voltage vectors. It consists of letters identifying the configuration of the phase windings and the number indicating the phase angle between the phase-to … A transformer may be used as a safe and efficient voltage converter to change the AC voltage at its input to a higher or lower voltage at its output. Other uses include current conversion, isolation with or without changing voltage and impedance conversion. This paper consists specification of transformer to be checked and its procedure of measurement of voltage ratio between HV and LV winding

    The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

    15/08/2012 · Understanding Vector Group of Transformer (part 1)111663 Introduction Three phase transformer consists of three sets ofprimary windings, one for each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transformers can be used and externally interconnected to yield the same results as a 3-phase unit. Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Transformer Testing Notes. Design of Transformer. Power Transformer Testing Procedures . Transformer VectTransformer Vector Group Test Conditionsor Group Test Conditions. Understanding Vector Group of Transformer Full. Power Transformers . Vector Group. Transformer Vector Group. Vector …

    Transformer vector group calculation.pdf Transformer vector group calculation.pdf.zip Easy and Intuitive Method for Testing Transformer Differential Relays [Download pdf] SA2008-000587 Easy and Intuitive Method for Testing Transformer Differential Relays Zoran Gaji Fahrudin Mekic Vasteras, Sweden Allentown, PA Presented to: 62nd Annual Georgia

    Senior Consultant: Power Transformers and Reactors POWER TRANSFORMER SPECIFICATION, DESIGN, QUALITY CONTROL AND TESTING 18 MARCH 2009. Presentation Content • Standardization of Power Transformers in the network • Design and design reviews • Quality Control • Testing. Interchangeability and standardization Philosophy All transformers are specified, designed, tested, … Easy and Intuitive Method for Testing Transformer Differential Relays [Download pdf] SA2008-000587 Easy and Intuitive Method for Testing Transformer Differential Relays Zoran Gaji Fahrudin Mekic Vasteras, Sweden Allentown, PA Presented to: 62nd Annual Georgia

    Typically, Vector-Group specification of power transformers is not used by USA manufacturers. Nevertheless, because English and German trafo manufacturers do, I suggest you contact those manufacturers or their world-wide affiliates. Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Design of Transformer. Transformer Testing Notes . 3 phase Transformer vector groups. AREVA the Testing of Transformer. Vector Group of Transformer « Electrical Notes & Articles. Transformers - Vector Group. Testing of Power Transformers. Design of Protection Scheme using Distance …

    Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below

    Understanding Vector Group of Transformer (Part 1) - Download as PDF File (.pdf), Text File (.txt) or read online. Senior Consultant: Power Transformers and Reactors POWER TRANSFORMER SPECIFICATION, DESIGN, QUALITY CONTROL AND TESTING 18 MARCH 2009. Presentation Content • Standardization of Power Transformers in the network • Design and design reviews • Quality Control • Testing. Interchangeability and standardization Philosophy All transformers are specified, designed, tested, …

    A transformer may be used as a safe and efficient voltage converter to change the AC voltage at its input to a higher or lower voltage at its output. Other uses include current conversion, isolation with or without changing voltage and impedance conversion. This paper consists specification of transformer to be checked and its procedure of measurement of voltage ratio between HV and LV winding Understanding Vector Group of Transformer (1) jiguparmar Und e rs tand ing Ve c to r G ro up o f Trans fo rme r Introduction T hree phase transf ormer consists of three sets of primary windings, one f or each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transf ormers can be used and externally interconnected to yield the same results as a 3

    A transformer may be used as a safe and efficient voltage converter to change the AC voltage at its input to a higher or lower voltage at its output. Other uses include current conversion, isolation with or without changing voltage and impedance conversion. This paper consists specification of transformer to be checked and its procedure of measurement of voltage ratio between HV and LV winding Issues to Consider when Substituting Large Power Transformers in Generating Stations Relu Ilie, Israel Electric Corporation , and Isidor Kerszenbaum, Exponent, Inc.

    Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. presentation on vector group Recherche Recherche The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below

    Vector Group Transformer Physical Quantities

    vector group of transformer pdf

    All about vector group of Transformer. Vector group ZNyn 11/5 Vector group ZNyn 11/5 With local power winding With LV load disconnector 2 U 1 U 2 N 1 V 1 W 2 V 2 W 1 N 2 U 1 U 2 N 1 V 1 W 2 V 2 W 1 N N L1 L2 L3 N L1 L2 L3 . Swedish Neutral Grounding Transformer Manufactured by SGB Germany – one of Europe’s biggest transformer manufacturers Hermetically sealed design (oil cooled) Available for both indoor and …, How to Determine Transformer Vector Group A vector group is the International Electrotechnical Commission (IEC) method of defining high voltage (HV) and low voltage (LV) winding configurations of three-phase transformers..

    How transformer vector group is determined? ResearchGate

    vector group of transformer pdf

    Conection and Vector Group of Transformer Transformer. Voltage of Transformer 1 (V1) has angle of 0 while voltage of Transformer 2 (V2) has angle of 150бµ’ due to different vector group. The individual output voltage of each transformer as well as the bus voltage is shown in the following figure. Voltage of Transformer 1 (V1) has angle of 0 while voltage of Transformer 2 (V2) has angle of 150бµ’ due to different vector group. The individual output voltage of each transformer as well as the bus voltage is shown in the following figure..

    vector group of transformer pdf

  • Vector Group Transformer Physical Quantities
  • How transformer vector group is determined? ResearchGate

  • The power transformer connection type, the vector group and the subtraction of zero sequence currents (On/Off) are setting parameters – from these the differential protection calculates off-line the matrix coefficients, which are then used in the on-line calculations How to Determine Transformer Vector Group A vector group is the International Electrotechnical Commission (IEC) method of defining high voltage (HV) and low voltage (LV) winding configurations of three-phase transformers.

    understanding vector group of transformer part 1 Sun, 16 Dec 2018 17:08:00 GMT understanding vector group of transformer pdf - Understanding Digital The power transformer connection type, the vector group and the subtraction of zero sequence currents (On/Off) are setting parameters – from these the differential protection calculates off-line the matrix coefficients, which are then used in the on-line calculations

    The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced due to that particular configuration of transformer windings connection. The Determination of vector group of transformers is very important before connecting two or more transformers in parallel. If The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced due to that particular configuration of transformer windings connection. The Determination of vector group of transformers is very important before connecting two or more transformers in parallel. If

    Issues to Consider when Substituting Large Power Transformers in Generating Stations Relu Ilie, Israel Electric Corporation , and Isidor Kerszenbaum, Exponent, Inc. Vector group is important when you run the transformers in parallel. One of the criteria for parallel run of transformers is that the transformers to be run in parallel have to be of same vector group. If you do not have the intension to run it parallel with any other transformer, it should be ok to go for YNyn0.

    15/08/2012В В· Understanding Vector Group of Transformer (part 1)111663 Introduction Three phase transformer consists of three sets ofprimary windings, one for each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transformers can be used and externally interconnected to yield the same results as a 3-phase unit. Understanding Vector Group of Transformer (1) jiguparmar Und e rs tand ing Ve c to r G ro up o f Trans fo rme r Introduction T hree phase transf ormer consists of three sets of primary windings, one f or each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transf ormers can be used and externally interconnected to yield the same results as a 3

    transformer vector group. The IEC code consists of two or more letters followed by 1 or 2 digits. The letter that comes first is capital letter which might be D, Y or Z, (Delta, Star or Interconnected star respectively), which stands for High voltage side. The letter that comes second is a small letter that might be y, d or z (star, delta, or interconnected star) windings respectively; which Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Transformer Testing Notes. Design of Transformer. Power Transformer Testing Procedures . Transformer VectTransformer Vector Group Test Conditionsor Group Test Conditions. Understanding Vector Group of Transformer Full. Power Transformers . Vector Group. Transformer Vector Group. Vector …

    Vector Group - Download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. presentation on vector group Recherche Recherche Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

    Transformer manufacturers are being forced to design to the limits of specification to remain competitive in the market place. (Fig.1) vector group (as per nameplate) is correct. The measured ratio must compare with the calculated ratio on any given tap to within – 0,5%. The test ensures internal connections are correct and no short circuited turns exist. During preventive maintenance The vector group provides the amount of phase shift that will occur when the current goes from the primary to secondary side of the transformer. Figure 3 below

    Issues to Consider when Substituting Large Power Transformers in Generating Stations Relu Ilie, Israel Electric Corporation , and Isidor Kerszenbaum, Exponent, Inc. Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Design of Transformer. Transformer Testing Notes . 3 phase Transformer vector groups. AREVA the Testing of Transformer. Vector Group of Transformer « Electrical Notes & Articles. Transformers - Vector Group. Testing of Power Transformers. Design of Protection Scheme using Distance …

    Vector group is important when you run the transformers in parallel. One of the criteria for parallel run of transformers is that the transformers to be run in parallel have to be of same vector group. If you do not have the intension to run it parallel with any other transformer, it should be ok to go for YNyn0. Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Transformer Testing Notes. Design of Transformer. Power Transformer Testing Procedures . Transformer VectTransformer Vector Group Test Conditionsor Group Test Conditions. Understanding Vector Group of Transformer Full. Power Transformers . Vector Group. Transformer Vector Group. Vector …

    In electrical engineering, a vector group is the International Electrotechnical Commission (IEC) method of categorizing the high voltage (HV) windings and low voltage (LV) winding configurations 4/06/2005 · The vector group denotes the way in which the windings are connected and the phase position of their respective voltage vectors. It consists of letters identifying the configuration of the phase windings and the number indicating the phase angle between the phase-to …

    Method for Testing Transformer Differential Relays.pdf. TRANSFORMER testing manual final.pdf. Transformer Testing Notes. Design of Transformer. Power Transformer Testing Procedures . Transformer VectTransformer Vector Group Test Conditionsor Group Test Conditions. Understanding Vector Group of Transformer Full. Power Transformers . Vector Group. Transformer Vector Group. Vector … Understanding Vector Group of Transformer (part 1)Posted JUN 3 201 2 by JI GUPARM AR in ENERGY AND PO WER, TRANSFO RM ERS with 8 CO MM ENTSTranslate Get PDF Understanding Vector Group of TransformerIntroductionThree phase transformer consists of three sets of primary windings, one for each phase, and three sets of secondary windings wound on

    Typically, Vector-Group specification of power transformers is not used by USA manufacturers. Nevertheless, because English and German trafo manufacturers do, I suggest you contact those manufacturers or their world-wide affiliates. Understanding Vector Group of Transformer (1) jiguparmar Und e rs tand ing Ve c to r G ro up o f Trans fo rme r Introduction T hree phase transf ormer consists of three sets of primary windings, one f or each phase, and three sets of secondary windings wound on the same iron core. Separate single-phase transf ormers can be used and externally interconnected to yield the same results as a 3

    The transformer vector group is indicated on the Name Plate of transformer by the manufacturer. The vector group indicates the phase difference between the primary and secondary sides, introduced due to that particular configuration of transformer windings connection. The Determination of vector group of transformers is very important before connecting two or more transformers in parallel. If How to Determine Transformer Vector Group A vector group is the International Electrotechnical Commission (IEC) method of defining high voltage (HV) and low voltage (LV) winding configurations of three-phase transformers.