Electrical Sub Station Equipments Print
Sunday, 10 May 2009 15:06
Introduction
PowerCom is a professional manufacturer of electrical & electronic equipments with proven design. PowerCom boasts a highly professional R & D team comprising of senior engineers & experienced technologist which enables the company to apply the most advanced technologies to its production of high performance Sub-station equipment. The company is committed to meeting requirements from all kinds of customers, redesigning and tailor-making its products. PowerCom products are well-known on the markets and have been widely meet with the requirement in such fields as all types of Industries, Apartment, Defence, Bangladesh Power Development Doard (BPDB), Dhaka Electric Supply Authority (DESA ) & Rural Electrification Board ( REB ). Meeting Your Needs With Our Technological Co-Operation.

A World Class Sub Station
D e s i g n e d F o r H o s t i l e
Bangladesh Power Conditions

Corporate ActivitieCorporate Activities
Design, Procurement and Production of Sub-station equipment with service, operation and maintenance. Manufacturing of power & electronic product for regulated & back up power supply. Import, Distribution, Service with spare parts of low voltage, medium voltage & high voltage switchgear, control and protection equipment.
Transformer
PowerCom Transformers are naturally self cooled or forced air/oil cooled, suitable for outdoor or indoor, core type or shell type both for single phase/three phase. Our transformers are of rated voltage 11/0.415KV, 6.35/0.24KV & 11/0.24KV have passed the impules withstand voltage test successfully at Bangladesh University of Engineering & Technology (BUET)
Capacity
1-Phase, up to 150 KVA, 50Hz
3-Phase, 50KVA to 10MVA, 50Hz
System Voltage :
Generally 11/0.415KV, 6.35/0.24KV& 33/0.415KV
As per customer requirement.
Standard :
Manufactured & Tested as to Iec-76, Bs 171, Ansi, C 57.12 Or Vde-0532
Accessories :
High/Low tension bushing with connectors
Tap changer (off load/on load)
Conservator
Radiator
Oil level indicator
Lifting lug
Temperature Meter
Silicagel Breather
Name plate with connection diagram
Earthing Bolts
Drain Valve
Buchholz Relay for higher capacity

High Tension (Ht) Switchgear

PowerCom High Tension Switchgear equipped with Minimum Oil Circuit Breaker (MOCB), Vacuum Circuit Breaker (VCB) & Load Break Switch ( LBS ), and confirm to IEL, BS, VDE, DIN & ANSI standard. They are designed in co-ordination to over voltage due to lightning & transients for highest system voltage of 12 KV & current rating from 630A to 1250A. The Panel Boards are made of strong sheet steel at all sides with iron angles & channels weded together. They are painted in accordance with general practice and recognized methods to meet the tropical conditions at site. Potential transformer (PT), Current Transformer (CT), Earthing Switch, The main unit & other components are imported from America, Germany, France, Italy, UK & Japan or as per the choice of the valued customers.
Technocal Specifications
 
 
LOW TENSION (LT) SWITCHGEAR
PowerCom Low Tension Switchgear (415V,30, 50HZ ) equipped with Circuit Breaker, Hard Drawn Electrolytic Copper Busbar, Ammeter, Voltmeter, Selector Switch & Indicating Lamps & confirm to IEC-947-2, BS, DIN & ANSI standard. Totally enclosed the cubicle will be painted with corrosion,chemical resistant & anti rust paint panels are designed to withstand the mechanical & thermal stress produced by current. All live parts are adequately protected against accidental touching, interior wiring with minimum cross sectionl area of 0.75 mm2 is accommodated in plastic conduits.
POWER FACTOR IMPROVEMENT PLANT (PFI PLANT)
PowerCom Power Factor Improvement Plant conforming to IEC-439-2, VCK, DIN & ANSI tandards is of sheet steel clad, dust & vermin proof, free standing, floor mounting indoor ype. The centrally controlled automatic PFl plant is of compact design and suitable for operation in 6/9/12 steps in the system for automatic control of the reactive power.
The control unit is an integral part of the PFI plant comprising of Current Transformer of dequate rating. Automatic Power Factor Correction Relay to keep the power factor almost constant at 0.99 & independent of load fluctuations having in built digital power factor meter, indicating lamps, ON/OFF switches, switching step, indicators etc are included. It also have an option of manual control of power factor at a target value.
All components are shipped from Germany, America, France, Italy, Uk & Japan or as per our valued customers
requirement.