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14.4kV 15kV 15.5kV 15.6kV Intelligent Electrical Solid Insulated Switchgear /Ring Main Unit

  • 14.4kV 15kV 15.5kV 15.6kV Intelligent Electrical Solid Insulated Switchgear /Ring Main Unit

Key attributes

Brand ROCKWILL
Model NO. 14.4kV 15kV 15.5kV 15.6kV Intelligent Electrical Solid Insulated Switchgear /Ring Main Unit
Rated voltage 12kV
Rated frequency 50/60Hz
Series RMU

Product descriptions from the supplier

Description
Description

12kV 14.4kV 15kV 15.5kV 15.6kV Medium Voltage Switchgear,Intelligent Electrical Solid Insulated switchgear Cabinet,RMU

Overview

The solid insulated switchgear is a completely insulated and sealed environmental protection device. The live parts are sealed in an epoxy resin insulation cylinder, the outer surface is coated with a grounding shielding layer, and the silicon rubber seals the bus. The plug-in solid insulation busbar is used to connect two adjacent switchgears. The entire switchgear is not affected by the external environment.

The solid insulation switch cabinet is composed of a vacuum load switch cabinet, a vacuum load switch fuse combination equipment cabinet and a vacuum circuit breaker cabinet. Suitable for three-phase AC 10kV, 50Hz single bus system, used for receiving and distributing energy equipment. With circuit control, protection, supervision and communication functions. It is suitable for airports, subways, large buildings, secondary substations and industrial and mining enterprises, etc. It is especially suitable for places with narrow space, harsh environment, high altitude and maintenance-free.

Feature

  • Intelligent monitoring and remote operation and maintenance: Equipped with built-in IoT sensors and intelligent terminals, it collects real-time operating data such as current, voltage, temperature, and insulation status. Remote monitoring, fault early warning, and data analysis are realized through a cloud platform, supporting remote operation via mobile APP or PC terminal, reducing manual inspection costs and improving operation and maintenance efficiency.

  • Adaptive protection and linkage control: It has intelligent logic judgment functions, which can automatically adjust protection parameters according to changes in the load of the power distribution system, realizing rapid identification and isolation of faults such as overcurrent, short circuit, and grounding. It supports linkage with substation automation systems and energy management platforms to build an intelligent power distribution network and ensure power supply continuity.

  • Solid insulation and environmental safety: Adopting epoxy resin integrated solid insulation technology to replace traditional gas insulation, it eliminates the risk of SF₆ greenhouse gas leakage. Combined with an all-metal enclosed structure, it effectively shields electromagnetic interference, adapts to complex indoor environments such as humidity and dust, and meets the requirements of green power grids and safety specifications.

  • Modular design and flexible expansion: The cabinet adopts modular assembly, and switch units, intelligent modules, communication interfaces, etc., can be replaced or upgraded independently. It supports multiple wiring methods such as ring network and radial type, and reserves expansion interfaces for 5G, edge computing, etc., facilitating the later access of new energy and energy storage equipment, and adapting to the needs of smart parks, Industry 4.0 and other scenarios.

  • Whole-life-cycle data traceability: A built-in storage chip records the whole-life-cycle data such as equipment factory parameters, operation history, and maintenance records. Combined with blockchain technology, it ensures that data cannot be tampered with, providing a reliable basis for equipment maintenance, life evaluation, and fault traceability, and reducing the whole-life-cycle management cost.

  • Human-computer interaction and safety protection: Equipped with a high-definition touch screen and sound-light alarm system, it intuitively displays equipment status and operation guidelines. It integrates functions such as fingerprint recognition and anti-misoperation interlocking to strictly restrict unauthorized operations, and supports fault self-diagnosis and pushes maintenance suggestions, improving operational safety and convenience.

Parameter

The voltage classes of some of these eco-friendly switchgears include 6kV, 6.3kV, 6.6kV, 6.9kV, 7.2kV, 10kV, 10.5kV, 11kV, 11.5kV, 12kV, 13.2kV, 13.8kV, 14.5kV, 14.4kV, 15kV, 15.5kV, 15.6kV, 17.5kV, 20kV, 21.9kV, 22kV, 24kV, 30kV, 33kV, 33.5kV, 34.5kV, 35kV, 36kV, 38kV, 38.5kV, 40.5kV, 44kV, 45kV, 46kV, 66kV and 69kV. and customization is available.


S/N Name Unit Solid Insulation Cabinet C Module Load Switch F Module Combined Equipment V Module Circuit Breaker
1 Rated Voltage kV 12kV 14.4kV 15kV 15.5kV 15.6kV
2 1min Power Frequency Withstand Voltage (r.m.s) (Between Phases, to Earth/ Fracture) kV 42/48
3 Lightning Impulse Withstand Voltage(r.m.s)(Between Phases, to Earth/ Fracture) kV 75/85
4 Rated Current A 6,301,250 630
125
250
5 Rated Frequency Hz 50
6 Rated Short-circuit Breaking Current kA 20,25

31.5
20,25
7 Out of Phase Earthing Fault Breaking Current kA



17.3,21.7
8 Rated Cable Charging Current A
10
25
9 Rated Short-time Withstand Current/Short-circuit Duration Time kA/s 20,25/4 20/4
20,25/4
10 Rated Peak Withstand Current kA 50,63 50
50,63
11 Rated Short-circuit Making Current (Peak) kA 50,63 50
50,63
12 Rated Operating Sequence



O-0.3s-CO-180s-CO
13 Rated Take-over(Transfer) Current A

3500
14 Partial Discharge pC ≤20 ≤5 ≤5 ≤5
15 Mechanical Life Times 10000
16 Internal Arc Class IAC

AFLR Class

20kA/0.5s

Standard Operating Environment

  • Altitude: ≤2500 m 

  • Ambient Temperature: -20℃ to +45℃ 

  • Relative Humidity: Daily average ≤93%, monthly average ≤85% 

Know your supplier
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 108000m²m² Total staff: 700+ Highest Annual Export(usD): 150000000
Workplace: 108000m²m²
Total staff: 700+
Highest Annual Export(usD): 150000000
Services
Business Type: Design/Manufacture/Sales
Main Categories: High Voltage Electrical Apparatus/Electric transformer
Whole life care manager
Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.
The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.

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