Product Description
15 kV Switchgear represents a comprehensive family of medium-voltage power distribution equipment designed for primary distribution systems up to 15 kV. This voltage class is widely used in industrial facilities, commercial buildings, utilities, and infrastructure projects worldwide.
Technical Parameters
|
Item |
Unit |
Data |
|
Rated Voltage |
kV |
15 |
|
Rated Frequency |
Hz |
50/60 |
|
Rated Insulation Level |
Kv |
|
|
Lightning Impulse Withstand Voltage(peak) |
kv |
95 |
|
1min Power Frequency Withstand Voltage(RMS) |
kv |
38 |
|
Power Frequency Withstand Voltage of Auxiliary Control Circuit |
v |
2000 |
|
Rated Current |
A |
630,1250,1600,2000,2500,3150 |
|
Rated Short-circuit Breaking Current |
kA |
25,31.5 |
|
Rated Short-circuit Making Current(peak) |
kA |
63,80 |
|
Rated Short-time Withstand Current(4s) |
kA |
25,31.5 |
|
Rated Peak Withstand Current |
kA |
63,80 |
|
Rated Voltage of Auxiliary Control Circuit |
v |
DC or AC 110/220 |
|
Protection Level |
IP4X |
|
|
Overall Dimensions(Width*Depth*Height) |
mm |
800*1650*2300(typical) |
|
Weight |
kg |
800-1300(depending on configuration) |
Advantages
This switchgear adopts a fully compartmentalized metal clad design,every key functional compartment is separated by grounded metal barriers.
It comes equipped with advanced vacuum circuit breaker technology,the breakers offer stable and fast interrupting performance.
The equipment is built with a complete set of mechanical interlocking system,this system follows strict safety operation rules.
Applications
This switchgear is specially designed for railway traction power supply systems,it delivers stable and continuous power support for rail transit operation.And it's well suited for commercial buildings and data centers,these places need consistent and safe power distribution at all times.
Frequently Asked Questions
Q1: How does remote motorized racking work?
A: Motors installed on breaker and auxiliary pans let operators rack devices in and out without ever entering the arc flash boundary .This eliminates the safety risks associated with manual racking or electric levering,where operators must be near live equipment.
Q2: What is ohmic voltage sensing and why use it?
A: OVS uses resistive voltage dividers instead of traditional voltage transformers.It provides more reliable voltage sensing,protects against damaging switching transients,and saves space in the compartment .It works with all devices and is vendor agnostic.
Q3: What types of circuit breakers are used in 15 kV switchgear?
A: Modern 15 kV switchgear primarily uses vacuum circuit breakers from various manufacturers.Vacuum technology offers superior arc-quenching performance,long electrical life,and minimal maintenance requirements.Some designs incorporate vacuum fault interrupters for switching and protection functions.
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