| abstract |
The present invention relates to a kind of equipment for heating pipeline system, including at least two pipelines (1), stratie extends along at least two pipeline respectively, it is characterized in that, each stratie is at least one end (3, 5) place is set the current potential close with ground potential, and the stratie is away from the end (3, 5) terminal of dc source or corresponding phase (7) connection to n cross streams power supply (9) respectively are connected at position, wherein, when using n cross streams power supply (9), n is equal to or the integer more than 2. |