Jefferson Electric Buck-Boost Series Applications Manual Download Page 16 | Manualshive

Page: 16 / 21

Jefferson Electric Buck-Boost Series Applications Manual Download Page 16

Jefferson Electric Inc.

1-800-892-3755

www.jeffersonelectric.com

Buck-Boost Application manual 02-12

Page 16 of 21

WIRING DIAGRAM #10 (57-B)

Part A (Transformer #1):

Step 1: Connect X4 & HIGH VOLTAGE AØ-Phase together.

Step 2: Connect X2 & X3 together.

Step 3: Connect X1, H2, H4 & LOW VOLTAGE AØ-Phase together.

Step 4: Connect H1 & H3 together.

Part B (Transformer #2):

Step 1: Connect X4 & HIGH VOLTAGE CØ-Phase together.

Step 2: Connect X2 & X3 together.

Step 3: Connect X1, H2, H4 & LOW VOLTAGE CØ-Phase together.

Step 4: Connect H1 & H3 together.

Part C:

Connect H1 from Transformer #1, H1 from Transformer #2, HIGH VOLTAGE

BØ-Phase & LV B-Phase together

Transformer #1

Transformer #2

«
...
14
15
16
17
18
...
»

Summary of Contents for Buck-Boost Series

Page 1: ...Transformer Application Manual Revised on February 15 2012 Table of Contents I Introduction 2 II Choosing the Proper Transformer 2 III Rapid Selector Charts 4 Single Phase Chart 4 Open Delta Chart 6 Wye Chart 7 IV Connection Instructions and Diagrams 9 Single Phase 9 3 Phase Wye 11 3 Phase Open Delta 15 V Typical Questions 20 VI Misapplications 21 ...

Page 2: ...fluctuating voltages they will always increase or decrease the voltage by a constant percentage of the source voltage Buck Boost transformers do not provide electrical isolation from the source voltage If electrical isolation is required a separate isolation transformer must be used When using transformers connected per these wiring diagrams check local electrical code requirements regarding the u...

Page 3: ...he Catalog number shown e g 416 12xx Step 3 What is the amperage required by the load or the KVA of the load From the voltages that you have chosen go across the chart until you find a maximum current greater than your required current or a maximum KVA greater than your maximum load KVA Step 4 From this current or KVA you will complete the catalog number for the buck boost transformer required Go ...

Page 4: ... 0 91 7 15 0 137 20 0 183 30 0 275 50 0 458 1 56 A 120 132 416 11xx KVA Amperes 1 10 9 17 1 65 13 7 2 75 22 9 5 5 45 8 8 2 68 8 11 0 91 7 16 5 137 22 0 183 33 0 275 55 0 458 1 56 A 120 136 416 12xx KVA Amperes 0 85 7 08 1 27 10 5 2 12 17 6 4 2 35 0 6 3 52 5 8 5 70 8 12 7 105 17 0 141 25 5 212 42 0 350 1 56 A 120 144 416 11xx KVA Amperes 0 60 5 0 0 90 7 5 1 50 12 5 3 0 25 0 4 5 37 5 6 0 50 0 9 0 75...

Page 5: ... 25 21 8 10 5 43 7 15 7 65 4 21 0 87 5 31 5 131 42 0 175 63 0 262 105 437 3 56 C 240 264 416 11xx KVA Amperes 1 1 4 58 1 65 6 87 2 75 11 4 5 5 22 9 8 2 34 1 11 0 45 8 16 5 68 7 22 0 91 6 33 0 137 55 0 229 4 56 D 240 272 416 12xx KVA Amperes 0 85 3 54 1 27 5 29 2 12 8 83 4 2 17 5 6 3 26 2 8 5 35 4 12 7 52 9 17 0 70 8 25 5 106 42 0 175 4 56 D 240 288 416 14xx KVA Amperes 0 60 2 5 0 90 3 75 1 5 6 25 ...

Page 6: ...0 46 7 62 3 93 6 124 8 185 310 11 57 C 416 KVA 3 46 5 18 8 6 17 3 25 9 34 6 51 8 69 2 103 173 229 240 11xx Amperes 8 3 12 5 20 7 41 6 62 3 83 2 124 6 166 5 248 416 11 57 C 416 KVA 1 81 2 72 4 5 9 0 13 6 18 1 27 2 36 3 54 0 90 0 230 253 14xx Amperes 4 1 6 2 10 3 20 5 31 0 41 3 62 1 82 8 123 205 9 57 A 416 KVA 0 99 1 49 2 4 4 9 7 4 9 9 14 9 19 9 29 0 49 0 230 276 14xx Amperes 2 1 3 1 5 0 10 2 15 5 2...

Page 7: ... 0 100 45 0 150 75 0 250 6 58 B 183 208 416 12xx KVA Amperes 2 2 7 07 3 3 10 5 5 6 17 6 11 2 34 9 16 8 52 8 22 5 70 7 33 7 105 45 0 141 67 0 212 112 354 5 58 A 189 208 416 11xx KVA Amperes 3 0 9 17 4 5 13 7 7 5 22 9 15 0 45 8 22 5 68 8 30 0 91 7 45 0 137 60 0 183 90 0 275 150 458 5 58 A 208 229 416 11xx KVA Amperes 3 3 9 17 4 9 13 7 8 2 22 9 16 5 45 8 24 7 68 8 33 0 91 7 49 5 137 66 0 183 99 0 275...

Page 8: ... 7 8 11 3 15 7 22 6 23 6 33 9 31 5 45 6 47 2 68 2 63 0 91 3 94 0 136 157 229 5 58 A 398 478 416 14xx KVA Amperes 1 7 2 50 2 5 3 75 4 3 6 25 8 6 12 5 12 9 18 7 17 2 25 0 25 9 37 5 34 0 50 0 51 0 75 0 86 0 125 6 58 B 416 437 416 11xx KVA Amperes 6 3 8 75 9 4 13 1 15 7 21 8 31 5 43 7 47 2 65 4 63 0 87 5 94 5 131 126 175 189 262 315 437 7 58 C 416 443 416 12xx KVA Amperes 4 8 6 66 7 2 10 0 12 0 16 6 2...

Page 9: ...nstructions and Diagrams Single Phase WIRING DIAGRAM 1 56 A Step 1 Connect LV1 H1 H3 HV1 together Step 2 Connect H2 H4 LV2 X1 X3 together Step 3 Connect X2 X4 HV2 together WIRING DIAGRAM 2 56 B Step 1 Connect LV1 H1 H3 HV1 together Step 2 Connect H2 H4 LV2 X1 together Step 3 Connect X2 X3 together Step 4 Connect X4 HV2 together ...

Page 10: ...AM 3 56 C Step 1 Connect LV1 H1 HV1 together Step 2 Connect H2 H3 together Step 3 Connect H4 LV2 X1 X3 together Step 4 Connect X2 X4 HV2 together WIRING DIAGRAM 4 56 D Step 1 Connect LV1 H1 HV1 together Step 2 Connect H2 H3 together Step 3 Connect H4 LV2 X1 together Step 4 Connect X2 X3 together Step 5 Connect X4 HV2 together ...

Page 11: ...hase together Part B Transformer 2 Step 1 Connect H1 H3 together Step 2 Connect H2 H4 X1 X3 LOW VOLTAGE BØ Phase together Step 3 Connect X2 X4 HIGH VOLTAGE BØ Phase together Part C Transformer 3 Step 1 Connect H1 H3 together Step 2 Connect H2 H4 X1 X3 LOW VOLTAGE CØ Phase together Step 3 Connect X2 X4 HIGH VOLTAGE CØ Phase together Part D Connect H1 from Transformer 1 H1 from Transformer 2 H1 from...

Page 12: ... B Transformer 2 Step 1 Connect H1 H3 together Step 2 Connect H2 H4 X1 LOW VOLTAGE BØ Phase together Step 3 Connect X2 X3 together Step 4 Connect X4 HIGH VOLTAGE BØ Phase together Part C Transformer 3 Step 1 Connect H1 H3 together Step 2 Connect H2 H4 X1 LOW VOLTAGE CØ Phase together Step 3 Connect X2 X3 together Step 4 Connect X4 HIGH VOLTAGE CØ Phase together Part D Connect H1 from Transformer 1...

Page 13: ... together Part B Transformer 2 Step 1 Connect H2 H3 together Step 2 Connect H4 X1 X3 LOW VOLTAGE BØ Phase together Step 3 Connect X2 X4 HIGH VOLTAGE BØ Phase together Part C Transformer 3 Step 1 Connect H2 H3 together Step 2 Connect H4 X1 X3 LOW VOLTAGE CØ Phase together Step 3 Connect X2 X4 HIGH VOLTAGE CØ Phase together Part D Connect H1 from Transformer 1 H1 from Transformer 2 H1 from Transform...

Page 14: ...rt B Transformer 2 Step 1 Connect H2 H3 together Step 2 Connect H4 X1 LOW VOLTAGE BØ Phase together Step 3 Connect X2 X3 together Step 4 Connect X4 HIGH VOLTAGE BØ Phase together Part C Transformer 3 Step 1 Connect H2 H3 together Step 2 Connect H4 X1 LOW VOLTAGE CØ Phase together Step 3 Connect X2 X3 together Step 4 Connect X4 HIGH VOLTAGE CØ Phase together Part D Connect H1 from Transformer 1 H1 ...

Page 15: ... VOLTAGE AØ Phase together Step 2 Connect X1 X3 H2 H4 LOW VOLTAGE AØ Phase together Step 3 Connect H1 H3 together Part B Transformer 2 Step 1 Connect X2 X4 HIGH VOLTAGE CØ Phase together Step 2 Connect X1 X3 H2 H4 LOW VOLTAGE CØ Phase together Step 3 Connect H1 H3 together Part C Connect H1 from Transformer 1 H1 from Transformer 2 HIGH VOLTAGE BØ Phase LV B Phase together Transformer 1 Transformer...

Page 16: ...nnect X2 X3 together Step 3 Connect X1 H2 H4 LOW VOLTAGE AØ Phase together Step 4 Connect H1 H3 together Part B Transformer 2 Step 1 Connect X4 HIGH VOLTAGE CØ Phase together Step 2 Connect X2 X3 together Step 3 Connect X1 H2 H4 LOW VOLTAGE CØ Phase together Step 4 Connect H1 H3 together Part C Connect H1 from Transformer 1 H1 from Transformer 2 HIGH VOLTAGE BØ Phase LV B Phase together Transforme...

Page 17: ...GE AØ Phase together Step 2 Connect X1 X3 H4 LOW VOLTAGE AØ Phase together Step 3 Connect H2 H3 together Part B Transformer 2 Step 1 Connect X2 X4 HIGH VOLTAGE CØ Phase together Step 2 Connect X1 X3 H4 LOW VOLTAGE CØ Phase together Step 3 Connect H2 H3 together Part C Connect H1 from Transformer 1 H1 from Transformer 2 HIGH VOLTAGE BØ Phase LV B Phase together Transformer 1 Transformer 2 ...

Page 18: ...onnect X2 X3 together Step 3 Connect X1 H4 LOW VOLTAGE AØ Phase together Step 4 Connect H2 H3 together Part B Transformer 2 Step 1 Connect X4 HIGH VOLTAGE CØ Phase together Step 2 Connect X2 X3 together Step 3 Connect X1 H4 LOW VOLTAGE CØ Phase together Step 4 Connect H2 H3 together Part C Connect H1 from Transformer 1 H1 from Transformer 2 and HIGH VOLTAGE BØ Phase LV B Phase together Transformer...

Page 19: ...d need to go from 208 volts to 240 volts when I take my measurements from neutral to my lines I get 120 volts from one line to neutral and 130 to 140 volts from the other line to neutral A3 The measurements are correct but this configuration is not recommended The unequal voltages are due to the fact that one line is being boosted by 13 3 See better solutions offered in the description of misappli...

Page 20: ...0 What occurs is that you size the buck boost unit to go from 208 volts up to 240 236 volts obtain the units and boost the voltage between your lines from 208 volts to 236 volts You pull this new voltage to the panel and since the panel requires a neutral you take the neutral from your 208Y 120 source and pull it to the panel When taking voltage measurements you realize that from one line to neutr...

Page 21: ... voltage will change at the same rate If your load cannot function with a change in voltage the best alternative is a regulator instead of a buck boost transformer M3 Deriving a neutral with the buck boost transformer this is against the N E C section 210 9 The buck boost transformers are autotransformers and cannot create a neutral if you do not have a neutral This application requires a Delta to...

Reviews:

No comments