KYN28-24 Appareillage à gaine métallique

Introduction to KYN28-24 Metal-Clad Switchgear

In the realm of medium-voltage power distribution, metal-clad switchgear plays a vital role in enhancing network reliability, safety, and operational flexibility. The KYN28-24 Appareils de commutation à enveloppe métallique is a state-of-the-art air-insulated switchgear solution engineered for primary distribution networks. Designed with modularity, durability, and high performance in mind, it serves critical infrastructure projects across industrial, utility, and renewable sectors.

Applications of KYN28-24 Metal-Clad Switchgear

The KYN28-24 switchgear is ideal for a wide range of demanding environments, including:

• Primary substations in power grids
• Large-scale industrial complexes and manufacturing plants
• Mining operations and petrochemical facilities
• Renewable energy installations (wind farms, solar stations)
• Infrastructure projects (airports, data centers, hospitals)

Its high short-circuit handling capability and robust mechanical endurance make it particularly suited for mission-critical systems that require absolute reliability.

Market Trends and Industry Background

The transition towards smarter grids, electrification of transportation, and increased focus on energy resilience have fueled the demand for advanced medium-voltage switchgear globally. According to an IEEE report, the global switchgear market is projected to grow steadily as industries modernize existing grids and integrate more renewable energy (source).

Metal-clad switchgear like the KYN28-24 remains indispensable due to its exceptional safety features, flexibility for future upgrades, and superior compartmentalization.

Technical Specifications of KYN28-24

Operating Conditions

Condition	Spécifications
Température ambiante	+15°C to +40°C (avg ≤35°C in 24h)
Altitude	≤1000m
Relative Humidity	Monthly avg ≤90%, vapor pressure ≤1.8kPa
Dust, Smoke, Gases	No corrosive, flammable, or conductive pollution
Vibration / Ground Motion	Negligible
Electromagnetic Interference	≤1.6kV induced in secondary circuits

Primary Technical Specifications

Objet	Unité	Data
Tension nominale	kV	24
Fréquence nominale	Hz	50 / 60
Lightning Impulse Withstand Voltage (phase, ground)	kV	60
Lightning Impulse Withstand Voltage (isolator)	kV	79
Power Frequency Withstand Voltage (phase, ground)	kV	125
Power Frequency Withstand Voltage (isolator)	kV	145
Auxiliary Circuit Withstand Voltage	V	2000
Rated Circuit Breaker Current	A	630 / 1250 / 1600 / 2000 / 2500 / 3150
Short-Circuit Breaking Current	kA	20 / 31.5
Short-Circuit Closing Current (Peak)	kA	50 / 80
Short-Time Withstand Current	kA	20 / 31.5
Courant de crête supporté	kA	50 / 80
Auxiliary Circuit Voltage	V	AC/DC 110 / 220
Degré de protection	-	IP4X (IP2X with door open)
Dimensions (L×P×H)	mm	800×1810×2380 / 1000×1810×2380
Weight	kg	840 ~ 1140

Principales caractéristiques et avantages

• Superior Compartmentalization: Fully metal-clad and isolated compartments improve personnel and system safety.
• Flexible Configurations: Modular design allows for easy system expansions and retrofits.
• High Fault Tolerance: Capable of handling up to 31.5kA short-circuit currents.
• Enhanced Durability: Designed for long mechanical life even under frequent switching operations.
• Ease of Maintenance: Logical layout with front access reduces maintenance time and enhances safety.

VS1-24 Vacuum Circuit Breaker Overview

The VS1-24 Vacuum Circuit Breaker is the core switching component used inside the KYN28-24 switchgear, offering exceptional breaking performance and mechanical endurance.

VS1-24 Key Technical Parameters

Objet	Unité	Data
Tension nominale	kV	24
Lightning Impulse Withstand	kV	60
Power Frequency Withstand	kV	125
Fréquence nominale	Hz	50 / 60
Courant nominal	A	630–3150
Short-Circuit Breaking Current	kA	20 / 31.5
Closing Current (Peak)	kA	50 / 80
Short-Time Withstand Current	kA	20 / 31.5
Courant de crête supporté	kA	50 / 80
Capacitor Bank Breaking (single/back-to-back)	A	630 / 400
Breaking Operation Times	Temps	50
Mechanical Life	Temps	20,000
Operating Sequence	-	O-0.3s-CO-180s-CO

Comparaison avec d'autres types d'appareillage

Fonctionnalité	KYN28-24 Metal-Clad	GIS (Gas-Insulated Switchgear)	Air-Insulated RMU
Isolation moyenne	Air	SF₆ Gaz	Air
Niveau d'application	Primary	Primary	Secondary
Footprint	Plus grand	Très compact	Compact
Maintenance	Modéré	Très faible	Faible
Environmental Sensitivity	Modéré	Faible	High

Conseils pour la sélection et l'achat

When selecting KYN28-24 switchgear, key considerations include:

• System Voltage and Short-Circuit Level Requirements
• Space Availability and Accessibility
• Integration Needs with Protection Relays and Automation
• Compliance with IEC, GB, and Local Standards

Engaging with expert engineers from PINEELE ensures that the switchgear selection perfectly aligns with project-specific technical and operational needs.

Foire aux questions (FAQ)

PINEELE’s KYN28-24 Metal-Clad Switchgear stands as a benchmark for performance, safety, and reliability in medium-voltage power distribution systems worldwide.