2-bundle tension 2B normal (33ton)
2-bundle tension 2B inverted (33ton)
2-bundle tension 4B normal (60ton)
2-bundle tension 4B inverted (60ton)
1-bundle suspension 2B
(12ton)
2-bundle suspension 2B
(Transverse)
(22.8ton)
2-bundle suspension 2B
(Parallel)
(22.8ton)
1-bundle suspension 4B
(21ton)
2-bundle suspension 4B
(42ton)
345kV Insulator String Hardware
Function and use
Insulator hardware used in 345kV transmission lines, with conductors classified as 2-bundle (2B) or 4-bundle (4B) configurations, and insulator strings available in 1-bundle and 2-bundle arrangements
| Product Category | Product |
|---|---|
| Tension Hardware | 2-bundle tension 2B normal (33ton) |
| 2-bundle tension 2B inverted (33ton) | |
| 2-bundle tension 4B normal (60ton) | |
| 2-bundle tension 4B inverted (60ton) | |
| Suspension Hardware | 1-bundle suspension 2B(12ton) |
| 2-bundle suspension 2B (Transverse) (22.8ton) | |
| 2-bundle suspension 2B (Parallel) (22.8ton) | |
| 1-bundle suspension 4B (21ton) | |
| 2-bundle suspension 4B (42ton) |
Types and Specification
| KEPCO Engineering Standard | Product Code | Model | Type | Test Tension (kN[kgf]) |
|---|---|---|---|---|
| ES-5975-0055 : 345kV Transmission Line Insulator String Hardware |
112-030-6 | 2B SS-12 | 1-bundle suspension insulator string hardware | 12,000 |
| 112-040-6 | 2B DS-22.8 | 2-bundle suspension insulator string hardware | 22,800 | |
| 112-040-6 | 2B DS-42 | 2-bundle suspension insulator string hardware | 42,000 | |
| 112-050-6 | 2B DT-33F | 2-bundle tension insulator string hardware (normal) | 33,000 | |
| 112-050-6 | 2B DT-33R | 2-bundle tension insulator string hardware (inverted) | 33,000 | |
| 101351 | 4B SS-21 | 1-bundle suspension insulator string hardware | 205.94(12,000) | |
| 101352 | 4B DS-42 | 2-bundle suspension insulator string hardware | 411.88(42,000) | |
| 101353 | 4B DS-60 | 2-bundle suspension insulator string hardware | 588.40(60,000) | |
| 101354 | 4B DT-60F | 2-bundle tension insulator string hardware (normal) | 588.40(60,000) | |
| 101355 | 4B DT-60R | 2-bundle tension insulator string hardware (inverted) | 588.40(60,000) |