Elio Electro Tech CC

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  • Introduction
  • Main Features
  • Comparison Chart
  • Applications
  • Other


Quasar is a line of switch-mode rectifiers designed to meet all galvanic surface treatment requirements. Based on high speed IGBT technology, they provide high efficiency and performance. Quasar rectifiers adopt pulse width modulation (PWM) technique for the controlling of current amplitude.

Machine Types
DC – Direct Current (forward), DCR – Direct Current Reverse (forward and reverse)
PP – Pulse Plating (forward), PPR – Pulse Plating Reverse (forward and reverse)

Comparison Chart

Thyristor Switching
control type
control type
voltage control
current control
Output current ripple high at low voltage high low < 0.5% or < 3.0%
Efficiency acceptable low high 87% (typ.)
Power factor good bad high > 93%
Regulation speed slow slow high very high
Response time to load variation slow slow high very high (≈ 1ms)
Accuracy good acceptable very high 1/1000 of max current or voltage
Shift phase yes yes no cos Ø = 1
Control type voltage / current voltage / current voltage / current current / voltage
Parallelability (multi-tower) possible not easy very difficult easy in current mode easy in current and voltage mode
Losses at no load / Vout ON high high low low
Losses at no load / Vout OFF low high low low
Reverse speed (DCR & PPR type) very slow very slow fastest only in current mode fastest in both voltage and current mode

Hardware Features

Space saving & easy capacity increase

> 43 x 43cm base size and 15 to 170cm height
> Light weight (from 25kg)
> Modular and multi-tower construction
> Main switch and operator panel in the front
> All input/output connections in the back for easy access

Electical Features

Energy saving & high accuracy

> High speed IGBT technology
> Modular power platform and multi-tower interconnection
> Microprocessor controlled
> Up to 40% power saving versus Silicon Controlled Rectifier (SCR)
> Cos Ø = 0.93 at rated load
> Low output current ripple
> High precision voltage and current regulation (1000 steps)
> Fast response time and high stability to load variation (~1ms)

Software Features

World class software

> Simple output parameters and waveform programming from the operator panel, remote control or PC/PLC (current, voltage, cycle time and ramp time)
> Customized software available
> A/h and A/min meters for precise thickness and dosing pumps control



Operation Modes

> Manual (Through operator panel or remote control)
> Automatic (Via PC or PLC)

Air cooled systems

Operation Modes

> RS485 *
> RS232 *
> Profibus-DP
> DeviceNet
> Analogue 0-10V
> Analogue 4-20mA
* Standard feature

water cooled systems

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