SURFACE AND DEEP MINING - INNOVATIVE AND FLEXIBLE POWER QUALITY SOLUTIONS. WWW.REINHAUSEN.COM
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SURFACE AND DEEP MINING Optimal power conditions for mining activities worldwide. GRIDCON® Harmonic Filter GRIDCON® ACF GRIDCON® SVC GRIDCON® STATCOM 2
High electrical loads and long power LINES to mining fields are challenging power quality. Mining activities involve challenging electrical loads. Voltage sags and flicker resulting from the starting While large crushers, shredders, conveyors and SAG & of heavy motors may disturb other mining loads or BALL mills combine enormous requirements for power even reduce motor torque and thus reduce operating with very dynamic behavior, other devices such as efficiency. Harmonics created by cyclo-converter winders and ventilation systems require stability for drives for the operation of the GMDs or traditional their continious operation. converter drives can damage equipment, reduce its lifetime and lead to discontinuities in mining Moreover, in many situations mining installations are processes with resulting economical losses. located at the edge of the power grid with long dis- tances, up to hundreds of kilometers from the closest Given the complexity of mining operations and the power generation plant. In consequence, short-circuit significant capital required to install optimum power power levels are low and the mining processes are quality solutions, in most situations optimizing the prone to power quality issues that may impede their power supply of mining activities entails thorough proper operation. data collection, on-site measurements, power-grid simulations and evaluations of multiple solution concepts. GRIDCON® solutions offer comprehensive support for your system: Reactive power Harmonics Asymmetries Voltage Voltage range Commutation fluctuations violations losses Flicker Neutral conductor Transient Dynamic Frequency Voltage drops overloads overvoltages peak shaving fluctuations 3
SURFACE AND DEEP MINING Profitable operations in mining fields. GRIDCON® solutions ensure continuous operation resulting in optimized financial results. State-of-the-art power quality equipment can ensure The use of GRIDCON® MODULE & STATION (up to optimum effectiveness for mining activites despite 30 Mvar) reduces your operating costs by decreasing the challenging conditions of such operations. charges for reactive power. It mitigates temperature Specialists from Maschinenfabrik Reinhausen (MR) effects from harmonics, and filters reactive power can determine your needs and create an individual from the grid which in turn leads to lower mainte- solution for you. nance costs. The implementation of GRIDCON® ACF active filters GRIDCON® Solutions are based on MR‘s proven range and harmonic filter circuits enables the dampening of of power quality systems and are already implement- harmonics to levels in line with applicable standards ed in several mining fields worldwide. A solution and norms. tailored to your individual requirements also takes into account all physical interrelationships and GRIDCON® STATCOM and SVC compensate reactive avoids any unwanted interactions between individual power based on grid-operator requirements. controllers and systems with the potentially arising negative impacts. GRIDCON® POCO(X) are state-of-the-art, type-tested (up to 50 kA) metal enclosed panels for harmonic filter solutions which require minimal installation work at site. 4
Your benefits I Optimum energy efficiency, decreased fuel consumption of generators and therefore lower operating costs I Legal assurance through compliance with local grid codes which facilitates insurance coverage or warranty claims I Cost-effective production at the optimum operating point and increased payload due to increased motor torque I Extended equipment lifetime thanks to reduced wear and tear I Decades of experience in the provision of complete turn-key solutions - from problem detection up to commissioning 5
SURFACE AND DEEP MINING GRIDCON® solutions for mining fields. Ball mill drive in Chile – harmonic filter Ball mill drive in Chile System type Power GRIDCON® PHF 13.8 kV 18.2 Mvar , 4 circuits HF02 / 7.5 Mvar, HF05 / 4.6 Mvar, Harmonic filter system HF11 / 4.6 Mvar, HF22 / 1.5 Mvar E-House with SF6 switch- 2 SF6 switchgear systems gear system Situation MR Solution | Extension of mining plant by one 13.5 MW GMD | GRIDCON® HF 13.8 kV passive harmonic filter system (Ball Mill) | Harmonic filter system GRIDCON® HF with 4 steps | Integration of the solution in the existing brown- | Extensive engineering (study, drawings, commissioning, field area site services) Challenge Customer benefits | Limited installation space at site | Complete turn-key project | Harmonic behavior of the converter unit | Reduced costs for reactive power consumption | High production reliability through stable power supply 6
GRIDCON® solutions for mining fields. Mine hoist drive in Germany – hybrid solution with statcom and harmonic filter Mine hoist drive in Germany System type Power GRIDCON® STATCOM 20 / 0.69 kV ± 1,200 kvar Dynamic compensation GRIDCON® POCOS 5 kV POCOS 1,200 kvar / HF05 / 300 kvar, Harmonic filter system HF07 / 300 kvar , HF11 / 600 kvar Situation MR Solution | Former salt mine with a depth of 996 m with | GRIDCON® STATCOM dynamic compensation system currently ongoing preservation and stabilization with reactive power regulation measures | Harmonic filter system GRIDCON® POCOS IAC AFLR | Mine with two-shaft hoisting systems 25 kA in accordance with IEC 62271-200 Challenge Customer benefits | Load fluctuations, voltage changes and harmonics | Compliance with the utility specification in the grid due to dynamic load of the shaft hoist- regarding the point of common coupling ing systems | High production reliability through stable power supply 7
Maschinenfabrik Reinhausen GmbH Falkensteinstr. 8 93059 Regensburg, Germany Phone: +49 941 4090-0 Fax: +49 941 4090-7001 E-mail: support.pq@reinhausen.com www.reinhausen.com Please note: The data in our publications may differ from the data of the devices delivered. We reserve the right to make changes without notice. IN6794314/00 EN – Surface and Deep Mining – F0377600 – 06/19 – dp ©Maschinenfabrik Reinhausen GmbH 2019 The Power behind Power.
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