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Multi-core flexible cable for power grid energy storage systems

An energy storage system and soft core technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of incomplete configuration and unreasonable structure, and achieve the effects of easy bundling, convenient production, and good wear resistance

Inactive Publication Date: 2016-01-27
JIANGSU SHUANGDENG POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly aims at the problems of unreasonable structure and incomplete configuration of existing products, and proposes a multi-core flexible cable for power grid energy storage system with simple structure, reasonable materials and complete functions.

Method used

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  • Multi-core flexible cable for power grid energy storage systems
  • Multi-core flexible cable for power grid energy storage systems

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.

[0017] figure 1 The embodiment of the multi-core flexible cable for the grid energy storage system shown is a 3-core flexible cable with a specification of 3×6mm 2 , which includes 3 built-in parallel conductors 1 and matching sheath 4 and filler strip 3 . The conductor 1 is composed of a bundle of monofilaments, which not only satisfies the rated current to pass through, but also has good flexibility. In this embodiment, each strand of conductor 1 is twisted by 27 0.20mm red copper monofilament bundles, and the outer wall of each strand of conductor 1 is sealed with an insulating layer 2 to form an insulated core. The insulated core of this structure still maintains flexibility. . In this embodiment, the insulating layer 2 is made of cross-linked polyolefin. The 3 strands of insulated wire cores in the sheath 4 are twisted to the r...

Embodiment 2

[0019] attached figure 2 The multi-core flexible cable for the grid energy storage system shown is a 3+1-core flexible cable. Except for one more core than in Example 1, the rest of the structure is the same and the application effect is similar, so the detailed structural features are omitted. And its application effect description.

[0020] The main technical indicators of the product of above-mentioned embodiment 1 and 2 are as follows:

[0021] 1. Rated voltage: 450 / 750V and below;

[0022] 2. Long-term maximum allowable working temperature: 90°C;

[0023] 3. The minimum bending radius: not less than 5 times the outer diameter of the flexible cable;

[0024] 4. The conductor resistance meets the requirements of GB / T3956 and other 6 categories at 20°C;

[0025] 5. Finished product test voltage: 2500V / 5min without breakdown;

[0026] 6. Smoke density test: according to the provisions of GB / T17651.2, the samples are prepared and tested, and the light transmittance is ≥ ...

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Abstract

The invention provides a multi-core flexible cable for power grid energy storage systems. The multi-core flexible cable comprises at least three internally-arranged conductors arranged side by side, a mating sheath and mating filling strips. Each conductor is formed from a bundle of single wires; the outer wall of each strand of single wires is sealed with an insulating layer to form an independent insulated cable core; the insulated cable cores arranged in the sheath are all twisted rightward to form the cable, with the twisting pitch multiple proportions being 10-16 times. Gaps between the insulated cable cores arranged side by side are filled with the filling strips. The sheath and the filling strips are made of halogen-free flame-retardant TPU elastic material. The multi-core flexible cable has relatively great wear resistance, oil resistance and halogen-free low-smoke flame resistance, and the original flexibility is not changed.

Description

technical field [0001] The invention relates to a cable, in particular, the invention relates to a multi-core flexible cable for a power grid energy storage system, especially a multi-core flexible cable for a power grid energy storage system that integrates oil resistance, wear resistance, halogen-free, low-smoke, and flame retardancy. core flexible cable. Background technique [0002] Due to the unbalanced day and night power consumption of the public power grid, it often results in insufficient peak power consumption and waste of power at night. In order to improve the operation quality of the power grid, it is a good way to configure an energy storage system in the power grid. Its function is to store the surplus electric energy during the low power consumption period, and then transmit the stored electric energy to the power grid after the peak power consumption. This "peak shaving and valley filling" function is beneficial to balance the power load, reduce power waste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/04H01B7/18H01B7/28H01B7/295H01B7/02
Inventor 计初喜翟立锋胡凌飞王迪陈明伟
Owner JIANGSU SHUANGDENG POWER TECH
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