CleanDistribution

CleanDistribution Clean Distribution is focused on managing various distribution channels and logistical aspects within The Clean Group of Companies (TCGC).

08/09/2025
27/08/2025

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02/11/2024
04/07/2024

EMHEATER South Africa currently stocks the following solar drives: EM15-SP1S Models, EM15-SP1 Models and EM15-SP3 Models.

24/06/2024

Choosing between a VSD and a Soft Starter

Soft Starters utilise silicon-controlled rectifiers (SCRs) to perform phase angle control, while Variable Speed Drives (VSDs) use insulated-gate bipolar transistors (IGBTs) to perform pulse-width-modulation (PWM) control. VSD technology continues to evolve, while Soft Starters are considered a mature product by most. Each new generation of VSDs provide higher performance, smaller size, and more advanced control. Please see our Blog Page for more details on choosing the correct product for your application:

https://www.emheater.co.za/blog-vsd-vs-softstarter/

21/06/2024

Single-Phase to 3-Phase Converter and Voltage Boosting (Step-Up) Drives

EMHEATER offers three products for Single Phase to 3-Phase Conversion as follows (G13 = Voltage Step-Up):
 G1 Series Variable Speed Drive: Single-Phase (220V) Input and 3-Phase (220V) Output
 G13 Series Variable Speed Drive: Single-Phase (220V) Input and 3-Phase (380V) Output
 SP1 Series Solar Drive: Solar DC (or Single-Phase AC 220V) Input and 3-Phase (220V) Output

For more details please also see our FAQ page entry here: https://www.emheater.co.za/faq/faq-converters/
and Blog page entry here: https://www.emheater.co.za/blog-single-phase-to-3-phase-vsd/

20/06/2024

EMHEATER offers various Soft Starter spare parts, including Thyristors/SCRs. We offer various models as follows:

1) MTC110A/1200V
2) MTC182A/1200V
3) KP400A/1600V
4) KP800A/1600V
5) KP1000A/1600V
6) MTC55/1600V
7) MTC70A/1600V
8) MTC90A/1600V
9) MTC120A/1600V
10) MTC135A/1600V
11) MTC182A/1600V
12) MTC250A/1600V
13) KP300A/1600V

Please contact us for pricing.
https://www.emheater.co.za/peripherals/

https://www.gumtree.co.za/a-industrial-machinery/eastern-pretoria/thyristors-+-ad-posted-by-coenraad-swanepoel/10012207723941010893618409

18/06/2024

Input Chokes (Line Reactors) and Output Chokes (Load Reactors)

The use of line and load reactors increases the reliability, performance, and efficiency of Drive systems and extends the
life of both the Drives and Motors.

Line Reactors are Connected in series with the incoming power supply line and is recommended when the power supply is more than 600kVA, 10 times the Drive capacity, unbalanced or when power factor is poor.

Load Reactors are used for operating ‘Non-Drive duty’ Motors or when the length of wiring between the Drive and Motor exceeds 50 metres (can consider from 25 metres).

Contact us for more information and pricing:
https://www.emheater.co.za/peripherals/

https://www.gumtree.co.za/a-other-business+to+business-items-for-sale/eastern-pretoria/chokes-reactors-for-vsds/10012050692791010893618409

13/06/2024

SineWave Filters

AC motors operate at their peak efficiency when they run on clean sinusoidal power. VSDs/Solar Drives produce square waves that are modulated so that the pulse width of the square waves can be varied continuously (known as pulse width modulation - PWM). VSDs/Solar Drives maintain fine control over the width and amplitude of the square waves so that they take on the appearance (as viewed on an oscilloscope) of good approximations of a sine wave. Yet, even the most sophisticated VSDs/Solar Drives fail to match the purity of a true sine wave. Installing a sine wave filter between the VSD/Solar Drive and the motor itself ‘smooths’ the VSD's/Solar Drive's PWM signal and converts it into a nearly perfect sinusoidal power wave form.

To be installed for applications using older motors, applications in ‘aggressive’ environments, applications requiring frequent braking, 690V applications with general purpose motors and applications where cable lengths between the VSD/Solar Drive and motor is 150 to 500 metres (can reach 3000 metres).

TCGC offers the following SineWave Filters:

EM-SWF2 (3-Phase ~220V)
EM-SWF3 (3-Phase ~380V)
EM-SWF5 (3-Phase ~525V)
EM-SWF6 (3-Phase ~690V)

Please Contact us: https://www.emheater.co.za/peripherals/

https://www.gumtree.co.za/a-other-business+to+business-items-for-sale/eastern-pretoria/sinewave-filters-for-vsds/10012002063211010893618409

11/06/2024

VSD Braking Systems (Brake Units and Aluminium Housed Resistors)

Dynamic Braking Systems are used to dissipate energy (cheap and simple method) by converting regenerative energy into thermal energy (burn off energy). Smaller Drives include a built-in switch to divert extra power to a resistor, but for larger units without a built-in braking switch, external braking units are required. These systems can release the energy regenerated during Motor speed regulation (via brake resistance) to produce enough braking torque to ensure normal operation. These systems are popular for use in cable/wire drawing machines, cranes, elevators, production machinery, mine hoists, centrifugal and oil pumps in oil field, etc.

Generally used for industrial applications where quick stopping is required which could cause the DC bus voltage to rise (over voltage). It is thus required where the regenerated energy needs to be dissipated quickly to manage the DC bus voltage to prevent the Drive from tripping.

*We stock Braking Units and Resistors for 3-Phase 380V model drives. Please enquire regarding pricing.

https://www.emheater.co.za/peripherals/

https://www.gumtree.co.za/a-other-business+to+business-items-for-sale/eastern-pretoria/braking-resistors-for-vsds/10012002283111010893618409

https://www.gumtree.co.za/a-other-business+to+business-items-for-sale/eastern-pretoria/brake-units-for-vsds/10012002257851010893618409

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Pretoria

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Monday 09:00 - 17:00
Tuesday 09:00 - 17:00
Wednesday 09:00 - 17:00
Thursday 09:00 - 17:00
Friday 09:00 - 17:00

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