GIS Up To 245 kV
Gas Insulated Substation (GIS) from 72.5kV to 245kV. CG has supplied its High Voltage GIS to various utilities spread across different climatic conditions such as sub-zero temperature in Ukraine and in Himachal Pradesh to hot and humid in Mumbai and Surat in India. Our GIS adhere to the requirements of the National and International Quality, Environment and Safety Standards including ISO 9001–2015, ISO 14001 and ISO 18001. The performance and reliability of GIS has been verified through Type tests at renowned international testing laboratories like KERI (South Korea) and ERDA (India), including Short Circuit Making and breaking, Switching Tests, Dielectric Tests including Power Frequency Withstand, Lightning Impulse
KEY FEATURES
Fully Compliant to IEC standards
66 kV to 245 kV Voltage Rating
66 kV to 145 kV: Three-phase encapsulated Design, Three phase Auto-Reclosing (GO) Circuit Breaker
245 kV: Single-phase encapsulated Design, Single and three Pole Auto-reclosing (SPR) Circuit Breaker
Single Bus, Double Bus and Tie Bus Configuration
SF6-Cable (GIS-Cable as per IEC 62271-209)
SF6-Air (Bus duct-Bushing to Over Head Line)
SF6-Oil (GIS Bus duct to Transformer as per IEC/TR 61639)
Bay Mounted and Bay Front Mounted LCCBay Mounted and Bay Front Mounted LCC
Upto Five CT Cores per Phase
1C/2C/3C Cables Terminations per Phase
Modular system to fulfil user requirements
Complete single or three-phase enclosed construction and compact design ensuring reduced space requirement
Aluminium enclosures result in low enclosure losses, are light weight and corrosion free
Low maintenance requirement, high availability and long service life
Engineered Gas Schematic for achieving Service Continuity as per Customer Requirement and or as per IEC Standard
The thermo-dilatation and installation tolerances are compensated by expansion joints
Compact and optimal Bay footprint
AIS (SF6) Circuit Breaker Up To 800 kV
SF6 Insulated Dead Tank Breaker (DTB). CG has supplied its High Voltage DTB to various utilities spread across different climatic conditions in LATAM, ARFICA. Our DTB adhere to the requirements of the National and International Quality, Environment and Safety Standards including ISO 9001–2015, ISO 14001 and ISO 18001. The performance and reliability of DTB has been verified through Type tests at renowned international testing laboratories like VEIKI-VNL Hungary, including Short Circuit Making and breaking, Switching Tests, Dielectric Tests including Power Frequency Withstand, Lightning Impulse and Partial Discharge test etc as per IEC 62271-100.
KEY FEATURES
Fully Compliant to IEC standards
Up to Three CT Cores per Phase
Aluminum enclosures result in low enclosure losses, are light weight and corrosion free
Low maintenance requirement, high availability and long service life
Disconnector
CG has been a name to reckon with in the global electrical arena. We bring all our products with leading edge technology which supplement the existing CG range of switchgear products in order to complete the scope of the substation equipment such as outdoor off load disconnector.
There are two types of Disconnectors. HCBD and HDBD.
KEY FEATURES
Accepted world-wide
Self-alignment of contact assemblies at works, these are ready to erect at site
Lifetime self lubricated sealed aluminum die cast bearings
Reliable turn and twist type with sheet steel canopy
Various options with individual pole/gang operation, motor and manual operations possible
Designed and tested for Class M2 – mechanical operation test, as per IEC: 62271-102
AIS Up To 40.5 kV
GIS Up To 66 kV
RMU Up To 36 kV
Arista S is Ring Main Unit (RMU) for smart distribution application. The RMU is characterised by its high level of operational Safety and Suitable for Indoor, Outdoor applications up to 36kV.
As the world is moving towards highly compact and reliable power distribution equipment, GIS is emerging as the best solution for MV Primary Power Distribution. ARISTA GIS offers the latest technology with only incremental cost over Air Insulated Switchgear. ARISTA comes with flexible SF6 gas insulated plug-in compartments to suit various network configurations.
KEY FEATURES
Robotically welded, 3 mm thick Stainless Steel Gas Tank ensuring leak free operation
Compact design for Indoor / Outdoor applications, without Kiosk
Extensible and Non-Extensible Range
IP54 & IP67 degree of protection
Vacuum Interrupter technology for Circuit Breakers with 3 position disconnecting switches
Fully interlocked operation & Padlocking facility to ensure operators safety
Motorized Operations & easy integration with SCADA network for Remote Monitoring & Control
Internal arc classified & fully Type Tested according to IEC standards
Virtually maintenance free
Numeric Protection Relay and SCADA
numerical communicable relays are indigenously developed products whose design is based on microprocessor technology using DSP. The products are designed with focus on accuracy and speed of operation, complying with the latest IEC standards.
- Multifunction Relay Platform
- Over current and earth fault relay
- Under voltage and over voltage relay
- Self-powered relay
- Circuit breaker manager
Numerous integrated communication protocols are available for flexible integration in most substation control SCADA systems. The relays are fully type tested as per latest IEC standards from accredited laboratory.
