FIELD: electrical engineering; electrical connections to supply power to submersible pump motor for extracting stratum liquid.
SUBSTANCE: proposed cable extension-cord box of submersible motor cable line that suffers in operation high hydrostatic pressure and temperature has box proper accommodating cable fixed in position by means of fastening member; cable has conductors and terminal block provided with holes to receive cable lugs and conductors connected to them; at least one of joints between cable conductors and lugs is disposed in terminal block hole at distance L ≥ 0.5 d, where d is cable conductor diameter, from butt-end surface of block disposed closer to supporting member additionally installed in cable box and provided with holes to receive cable conductors.
EFFECT: enhanced reliability and service life, enlarged functional capabilities of device.
20 cl, 8 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CABLE EXTENSION COUPLING FOR SUBMERSIBLE ELECTRIC MOTOR | 2021 |
|
RU2781284C1 |
| SUBMERSIBLE MOTOR CABLE INPUT UNIVERSAL COUPLING | 2018 |
|
RU2694810C1 |
| CABLE SLEEVE FOR SUBMERSIBLE MOTOR | 2004 |
|
RU2319268C2 |
| CABLE ENTRY STUFFING BOX FOR SUBMERSIBLE CENTRIFUGAL PUMP | 2002 |
|
RU2251185C2 |
| HIGH-TEMPERATURE COUPLING OF CABLE INPUT FOR SUBMERSIBLE MOTOR | 2015 |
|
RU2588608C1 |
| HIGH-TEMPERATURE COUPLING OF CABLE INPUT FOR SUBMERSIBLE MOTOR | 2018 |
|
RU2679825C1 |
| EXTENSION CABLE BOX (ALTERNATIVES) | 2004 |
|
RU2279169C1 |
| STUFFING BOX FOR SUBMERSIBLE CENTRIFUGAL PUMP | 2001 |
|
RU2215351C2 |
| 0 |
|
SU1777202A1 | |
| ELECTRIC CABLE CONNECTOR FOR CONNECTING SUBMERSIBLE MOTORS | 2022 |
|
RU2790612C1 |
