Marshalls Energy Co.
P.O. Box 1439
Majuro, Marshall Is.
MH 96960
|
|
MAJURO ATOLL DISTRIBUTION SYSTEM
| POWER SOURCE: | 13800kVA & 4160kVA |
| SECONDARY POWER: | 120/208 Volt 60Hz |
| HOURS OF OPERATION: | 24 hours, 7 days a week. |
| DISTRIBUTION TRANSFORMER: |
280 Pole mount
(15 - 75kVA) 117 Pad-mount (15 - 1000kVA) |
| DISTRIBUTION SYSTEM: | Overhead and Underground. |
| FEEDER ONE: | Total run 146,885ft (27.81 miles) |
| TOWN FEEDER ONE: | Total run 15,894ft (3.01 miles) |
| FEEDER TWO: | Total run 16,110ft (3.05 miles) |
| TOWN FEEDER TWO: |
Total run 3,855ft (0.731 miles) |
| FEEDER THREE: | Total run 7,160ft (1.356 miles) |
Primary Pole Assets (Pole mounted transformers are listed separately below.)
|
Item Description |
Quantity |
| Primary poles |
266 |
| Single Cross Arms |
357 |
| Double Cross Arms |
159 |
| HV Ball Pin Insulators |
891 |
| HV Dead End Insulators |
493 |
| Single LV Insulators |
685 |
| 3 Rack Mounted LV Insulators |
85 |
| 4 Rack Mounted LV Insulators |
283 |
| HV Cutouts |
511 |
| Surge Arrestors (separate from arrestors included on transformers) |
129 |
| Down Guys |
98 |
| Stub Guys |
7 |
| Sidewalk Guys |
3 |
| Pole Braces |
6 |
| 3" HV Weather heads |
26 |
| 4" HV Weather heads |
42 |
| 5" HV Weather heads |
2 |
| 6" HV Weather heads |
4 |
| 1 ¼" LV Weather heads |
20 |
| 1 ¼" LV Weather heads |
10 |
| 2" LV Weather heads |
91 |
| 3" LV Weather heads |
17 |
| 4" LV Weather heads |
11 |
| HV Shrink Terminators |
157 |
13.8KV Pole Mounted Transformer (Single Phase)
|
Location |
Rating, kVA |
||||
| 15 | 25 | 37.5 | 50 | 75 | |
| Feeder 1 |
2 |
21 |
37 |
19 |
7 |
| Feeder 2 |
3 |
3 |
25 |
51 |
11 |
|
Total |
5 |
24 |
62 |
70 |
18 |
4160V Pole Mounted Transformers (Single Phase)
|
Location |
Rating, kVA |
||||
| 15 | 25 | 37.5 | 50 | 75 | |
| TF1 | 1 | 9 | 28 | 27 | 10 |
| TF2 | 0 | 0 | 0 | 0 | 0 |
| LAURA | 1 | 22 | 7 | 4 | 3 |
|
Total |
1 | 22 | 36 | 32 | 13 |
Secondary Pole Assets
|
Item Description |
Quantity |
| Secondary poles |
760 |
| Single LV insulators |
1183 |
| 3 Rack Mounted LV insulators |
153 |
| 4 Rack Mounted LV insulators |
5 |
| Down Guys |
17 |
| Stub Guys |
0 |
| Sidewalk Guys |
1 |
| Pole Braces |
0 |
| 1 ¼" LV Weatherheads |
87 |
| 1 ½" LV Weatherheads |
25 |
| 2" LV Weatherheads |
184 |
| 3" LV Weatherheads |
7 |
| 4" LV Weatherheads |
1 |
13.8 KV Padmount Transformers
| Location |
Rating, kVA |
|||||||||||||||
| 15 | 25 | 30 | 37.5 | 45 | 50 | 75 | 112.5 | 125 | 150 | 200 | 225 | 300 | 500 | 750 | 1000 | |
| Fdr 1 | 0 | 0 | 0 | 1 | 1 | 29 | 13 | 3 | 0 | 2 |
1 |
3 |
5 | 3 | 1 | 2 |
| Fdr 2 | 0 | 1 | 1 | 0 | 3 | 1 | 3 | 2 | 0 | 2 | 0 |
1 |
10 | 5 | 0 | 1 |
| Fdr 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | 2 | 1 |
| TF2 U/G | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 2 | 0 |
1 |
0 | 1 | 0 | 0 |
|
Total |
0 | 1 | 1 | 1 | 4 | 32 | 27 | 5 | 0 | 7 |
1 |
5 |
18 | 10 | 3 | 4 |
4160V Padmount Transformers
| Location |
Rating, kVA |
||||||||||||||
| 15 | 25 | 30 | 37.5 | 45 | 50 | 75 | 112.5 | 125 | 150 | 225 | 300 | 500 | 750 | 1000 | |
| Ejit | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| TF 1 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 0 |
| TF2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Laura | 8 | 1 | 0 | 0 | 0 | 12 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
|
Total |
8 | 1 | 2 | 0 | 0 | 17 | 6 | 1 | 0 | 2 | 4 | 2 | 0 | 0 | 0 |
13.8KV/ 4160V Padmount Substation Transformers
|
Location |
Quantity |
Rating, kVA |
|
Jenrok Substation |
1 |
3150 |
|
Uliga Substation |
0 |
0 |
|
Laura Substation |
1 |
1500 |
|
Total |
2 |
HV Circuit Breakers (VCBS and OCBS)
|
Location |
Type |
Voltage Rating |
Quantity |
| Laura |
VCB |
4160V |
1 |
| Airport Substation |
VCB |
13.8KV |
1 |
| Kessai Switching Station |
VCB |
13.8KV |
1 |
| Momotoro Switching Station |
VCB |
13.8KV |
1 |
| Uliga Substation |
VCB |
13.8KV |
1 |
| Jenrok Substation |
VCB |
4160V |
1 |
| MIHS Switching Station |
VCB |
4160V |
1 |
|
Total |
7 |
Padmount Switches
|
Location |
Voltage Rating |
Quantity |
| Feeder 1 |
13.8KV |
35 |
| Feeder 2 |
13.8KV |
7 |
| Feeder 3 |
13.8KV |
7 |
| Town Feeder 2 UG |
13.8KV |
5 |
|
Total |
54 |
Conductors
|
Description |
Quantity |
| Total # 2/0 AWG
Bare Copper Conductor (includes overhead phase Conductors and overhead and direct buried neutral) |
409,739 LF |
| Total # 2/0 AWG
XLP Shielded Insulated Conductor (direct buried XLP Insulation rated at 15KV) |
447,792 LF |
| #2 AWG Triplex Cable (two 600V insulated and one bare neutral) |
163,707 LF |
| #4 AWG Triplex Cable (two 600V insulated and one bare neutral |
209,486 LF |
| #6 AWG Triplex Cable (two 600V insulated and one bare neutral |
150,890 LF |
| #2 Insulated, Single Conductor (insulation rated at 600V) |
55,216 LF |
| #4 Insulated, Single Conductor (insulation rated at 600V) |
74,174 LF |
| #6 Insulated, Single Conductor (insulation rated at 600V) |
53,100 LF |
| #6 Bare copper (pole grounding conductor and oil) |
14,500 LF |
PVC Conduit (Schedule 40)
|
Size |
Quantity |
| 1 ¼" |
14,600 LF |
| 1 ½" |
4,400 LF |
| 2" |
38,000 LF |
| 3" |
3, 800 LF |
| 4" |
15,700 LF |
| 5" |
100 LF |
| 6" |
200 LF |
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