JP2018129321A5

JP2018129321A5 -

Info

Publication number: JP2018129321A5
Application number: JP2017019363A
Authority: JP
Filing date: 2017-02-06
Publication date: 2019-12-26

Description

第二通信用コンデンサ１２ｂ_１は、変圧器１１ａの二次巻線１１２の第一の線路Ｌ１と、変圧器１１ｂの二次巻線１１２の第一の線路Ｌ１との間に接続されている。また、第二通信用コンデンサ１２ｂ_２は、変圧器１１ａの二次巻線１１２の第二の線路Ｌ２と、変圧器１１ｂの二次巻線１１２の第二の線路Ｌ２との間に接続されている。また、第二通信用コンデンサ１２ｂ_３は、変圧器１１ｂの二次巻線１１２の第二の線路Ｌ２と、変圧器１１ｃの二次巻線１１２の第一の線路Ｌ１との間に接続されている。 Second communication capacitor 12b ₁ has a first line L1 of the secondary winding 112 of the transformer 11a, and is connected between the first line L1 of the secondary winding 112 of the transformer 11b. The second communication capacitor 12b ₂ are transformer and 11a of the secondary winding second line L2 of 112, is connected between the second line L2 of the secondary winding 112 of the transformer 11b I have. The second communication capacitor 12b ₃ includes a second line L2 of the secondary winding 112 of the transformer 11b, is connected between the first line L1 of the transformer 11c of the secondary winding 112 I have.

Claims

A primary winding having a first line and a second line at both ends, and a secondary winding having a first line and a second line at both ends, and a transformer for power distribution including:
A power distribution transformer comprising: a communication capacitor connected between a first line of the primary winding and a first line of the secondary winding for passing a signal of power line communication.

The power distribution transformer according to claim 1 , further comprising a communication capacitor connected between the second line of the primary winding and the second line of the secondary winding.

One or more power distribution transformers comprising a primary winding and a secondary winding having two lines at each end, a first line and a second line,
A power distribution transformer comprising: a first line included in a secondary winding of the transformer; and a communication capacitor connected between the second line and a power line communication signal.

A plurality of power distribution transformers comprising a primary winding and a secondary winding having two lines at each end, a first line and a second line,
A distribution transformer having a communication capacitor for connecting at least one of the lines of the secondary windings of the plurality of transformers between different transformers.

The power distribution transformer according to claim 4, further comprising a communication capacitor for connecting between a first line and a second line of the secondary windings of the plurality of transformers.

The plurality of transformers are n (n is an integer of 3 or more) transformers,
The communication capacitor is provided so that all of the lines that the secondary windings of the plurality of transformers have through the communication capacitor can perform power line communication,
Each line connected between different transformers by the communication capacitor is connected to one of the lines of the secondary windings of (n−2) or less transformers other than the transformer having the line. The power distribution transformer according to claim 5, which is connected via the communication capacitor.

The transformer is an oil-immersed transformer installed in insulating oil,
The power distribution transformer according to any one of claims 1 to 6, wherein the communication capacitor is installed in the insulating oil together with the transformer.

The transformer is a molded transformer fixed with a resin mold,
The power distribution transformer according to any one of claims 1 to 6, wherein the communication capacitor is fixed together with the transformer by the resin mold.