This document provides an overview of the products and services offered by ZEST Electric Motors and its affiliated companies. It summarizes that the group supplies electric motors, variable speed drives, transformers, generator sets, energy solutions, motor control centers, switchgear, and electrical contracting services. The motors, drives, and other equipment range in power from small household units to large industrial systems over 50,000 kW.
2. ZEST Electric Motors
WEG Stock
525V/550V Multi voltage 0.18kW - 400kW
Improved Efficiency compliant with Table IE1
Premium Efficiency Plus compliant with Table IE2
VSD duty according to IEC 60034 part 17
380/400/415V Muliti voltage 0.18kW - 355kW
Standard Efficiency compliant with Table IE1
Premium Efficiency Plus, compliant with Table IE2,
VSD duty according to IEC 60034 part 17
Flameproof Motors 400V and 550/950V
Invicta Vibrator Motors
Pad Mounted Mine & Industrial Fan motors
WEG Custom
Motors up to 50 000kW @ 13.8kV
Squirrel Cage Induction
Slipring with automated brush lifting
Synchronous CACA - CACW Alternators up to 100 000kW @ 13,8kV
EML Stock
380/400/415V Muliti voltage 0.37kW - 355kW, Standard Efficiency compliant with
Table IE1, VSD duty according to IEC 60034 part 17
525V/550V Multi voltage 0.37kW - 355kW, Standard Efficiency compliant with
Table IE1, VSD duty according to IEC 60034 part 17
380Volt 0.09kW - 7.5kW Standard Efficiency Aluminium Motors
ZEST Power Division
Transformers
Power Transformers: 5MVA - 400MVA @ 550kV
Traction Transformers: 3.15MVA - 5MVA @ 132kV
Arc Furnace Transformers: Built to specifications
Power Reactors: Up to 65MVar
Neutral Earthing Compensators
Resistor Transformers
ZEST Drives and Automation Division
Variable Speed Drives
Low Voltage Drives: 0 – 2850 Amp
Single Phase 220V – 0.18 to 2.2 kW
Three Phase 380V – 0.37 to 1600 kW
Three Phase 525V – 1.5 to 1600 kW
Three Phase 690V – 75 to 2000 kW
Medium Voltage Drives: 85 - 1178 Amp
Three Phase 2.3 kV – 450 to 3900 kW
Three Phase 3.3 kV – 450 to 6000 kW
Three Phase 4.16kV – 400 to 6500 kW
Three phase 6,6 kV – 450 to 6000 kW
Soft Starters
Low Voltage Soft Starters: 0 – 2424 Amp
Three Phase 380V – 1.1 to 750 kW
Three Phase 380V – 1.1 to 1250 kW (with Inside Delta Connection)
Three Phase 525V – 1.5 to 1050 kW
Three Phase 525V – 1.5 to 1800 kW (with Inside Delta Connection)
Medium Voltage Soft Starters: 180 – 360 Amp
Three Phase 2.3 kV – 550 to 1100 kW
Three Phase 4.16 kV – 1100 to 2250 kW
Three phase 6.9 kV – 1900 to 3400 kW
ZEST Switchgear Division
Air Circuit Breakers: up to 6300A
Contactors: up to 800A
Motor Protection Circuit Breakers: up to 100A
Motor Overload Protection Relays
Thermal & Electronic
Indication lights, Pushbuttons, Monitoring and Control Relays
DOL & Star/Delta Starters
Customised panels
3. ZEST WEG Group Generator Set Division
Power Generation
Mechanical and electrical manufacture and assembly
Electronic design including control panel manufacture
Supply and installation of transformers, cabling, bulk fuel systems, sound
attenuation with standby generators
Project management, installation, commissioning and maintenance
Stock
40kVA up to 220kVA @ 400V
Custom
Up to 2, 800kVA single set (up to 11kV)
Multiple sets syncronised
Syncronisation with local utility
Peak & Load lopping capability
ZEST Energy
Integrated Power Generation,
Co–Generation and Energy Solutions
Diesel generator sets
Heavy fuel oil (HFO) generator sets
Gas generator sets (Natural Gas, Biogas, Syngas)
Steam turbo generator sets
Hydro generators
Mobile HV and MV Substations
HV and MV Substations
HV and MV Substation Refurbishments
Shaw Controls
Motor Control Centres, Packaged Switchgear Solutions
Motor Control Centres
Distribution Boards
Control Desks
PLC Panels
Instrumentation Control Panels
Portable Containerised Substations
Other Custom Built Electrical Panels
EnI Electrical
Electrical/ Instrumentation Engineering & Contracting
Complete system design of distribution reticulation systems
up to 132kV including: design of MCCs, cable & racking layouts,
lighting, small power, earthing & lightning protection
Supply, installation and Supervision of site erection in both electrical and
instrumentation contracts
Plant automation and control by means of PLC/SCADA systems
Testing and commissioning
WEG Transformers Africa
Local Maufacturer of Tranformers and Mini-Substations
Custom Designed Oil Filled Transformers
Output: Up to and including 10MVA 66kV (OLTC & DETC)
Windings: Low Voltage - Copper or Aluminium
High Voltage - Copper
Mini-Substations
Enclosure Type A,B and C
Output: Up to and including 1600kVA 22kV
(specials up to 33kV for the African market)
E N E R G Y