What customers say

The VACUTAP® VV® is in oper­a­tion all over the world. Espe­cial­ly in Asia. Two trans­former man­u­fac­tur­ers report on their expe­ri­ences.


EEMC Transformer from Vietnam

Nguyen Vu Cuong, Gen­er­al Direc­tor at EEMC (right) and MR Man­ag­ing Direc­tor Wil­fried Breuer. 

Found­ed: 1971 — Com­pa­ny head­quar­ters: Hanoi — Key mar­kets: Viet­nam, Asia and Aus­tralia — Web­site: eemc.com.vn/en

For over 20 years, trans­former man­u­fac­tur­er Dong Anh Elec­tri­cal Equip­ment Cor­po­ra­tion JSC (EEMC) has been suc­cess­ful­ly using the VACUTAP® VV® in its 110 kV trans­form­ers, which ensure a sta­ble pow­er sup­ply, par­tic­u­lar­ly in sub­sta­tions in Viet­nam and oth­er Asian coun­tries. The VACUTAP® VV® offers major advan­tages both in terms of design and pro­duc­tion. Thanks to its adapt­abil­i­ty to dif­fer­ent enclo­sure designs, EEMC can eas­i­ly imple­ment a wide range of project spec­i­fi­ca­tions. Nguyen Vu Cuong, Gen­er­al Direc­tor at EEMC, explains: “For over two decades, EEMC has con­sis­tent­ly relied on the VACUTAP® VV on-load tap-chang­er (OLTC) from Maschi­nen­fab­rik Rein­hausen (MR) for our 110 kV pow­er trans­form­ers. This prod­uct has demon­strat­ed excep­tion­al reli­a­bil­i­ty and qual­i­ty, play­ing a cru­cial role in ensur­ing the sta­ble oper­a­tion of our trans­form­ers and enhanc­ing the reli­a­bil­i­ty of Vietnam’s pow­er grid. By inte­grat­ing MR’s con­sis­tent­ly high-qual­i­ty OLTCs, EEMC has suc­cess­ful­ly improved prod­uct per­for­mance, reduced main­te­nance and war­ran­ty costs, and strength­ened our posi­tion in inter­na­tion­al mar­kets.” 

A success story

For over 20 years, EEMC has uti­lized the VACUTAP® VV® in trans­former pro­duc­tion, rec­og­niz­ing its piv­otal role in main­tain­ing grid sta­bil­i­ty and opti­miz­ing pow­er qual­i­ty. Designed to facil­i­tate seam­less volt­age reg­u­la­tion under load con­di­tions, the VACUTAP® VV® has con­sis­tent­ly deliv­ered supe­ri­or per­for­mance and reli­a­bil­i­ty.

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The com­pact and opti­mized design of the VACUTAP® VV® sig­nif­i­cant­ly reduces the vol­ume of oil required in the OLTC com­part­ment while enhanc­ing the over­all effi­cien­cy of the trans­former. Its adapt­abil­i­ty to var­i­ous enclo­sure con­fig­u­ra­tions, includ­ing bell and upper flange designs, enables man­u­fac­tur­ers to accom­mo­date diverse project spec­i­fi­ca­tions with ease. Addi­tion­al­ly, its stan­dard­ized con­nec­tion sys­tem min­i­mizes wiring errors, enhances assem­bly effi­cien­cy, and ensures con­sis­tent­ly high-qual­i­ty out­put.

Ein­er der bemerkenswertesten Vorteile des VACUTAP® VV® ist seine außergewöhn­liche Lan­glebigkeit.

One of the most notable advan­tages of the VACUTAP® VV® is its excep­tion­al dura­bil­i­ty and extend­ed main­te­nance inter­vals, which sig­nif­i­cant­ly reduce down­time, enhance oper­a­tional effi­cien­cy, and pro­long the trans­former lifes­pan. Today, EEMC deploys the VACUTAP® VV® across a wide range of 110kV trans­form­ers installed in trans­mis­sion and dis­tri­b­u­tion sub­sta­tions, as well as in renew­able ener­gy facil­i­ties, includ­ing wind, solar, and hydro­elec­tric pow­er plants. Fur­ther­more, the VACUTAP® VV® meets the tech­ni­cal require­ments nec­es­sary for inte­gra­tion with intel­li­gent mon­i­tor­ing sys­tems, sup­port­ing dig­i­tal sub­sta­tions and ful­ly auto­mat­ed, unmanned oper­a­tion.

Strong Partnership

With more than two decades of col­lab­o­ra­tion, EEMC and MR have cul­ti­vat­ed a robust and endur­ing part­ner­ship found­ed on mutu­al trust and a shared com­mit­ment to tech­no­log­i­cal advance­ment. Beyond deliv­er­ing high-qual­i­ty prod­ucts, MR has con­tin­u­ous­ly sup­port­ed EEMC in research and devel­op­ment, design opti­miza­tion, and tech­no­log­i­cal inno­va­tion, con­tribut­ing to improved trans­former effi­cien­cy and per­for­mance.

As a glob­al leader in OLTC tech­nol­o­gy, MR is wide­ly rec­og­nized for its com­mit­ment to qual­i­ty, reli­a­bil­i­ty, and inno­va­tion.

The com­pa­ny’s tap chang­ers are the pre­ferred choice among trans­former man­u­fac­tur­ers, includ­ing EEMC, due to their out­stand­ing longevi­ty, oper­a­tional effi­cien­cy, and com­pli­ance with the high­est indus­try stan­dards.

Look­ing ahead, EEMC and MR will con­tin­ue to col­lab­o­rate in devel­op­ing cut­ting-edge tech­no­log­i­cal solu­tions to meet the increas­ing demands for automa­tion and dig­i­tal­iza­tion in the ener­gy sec­tor. “Togeth­er, we strive to enhance prod­uct qual­i­ty, exceed cus­tomer expec­ta­tions, and con­tribute to the mod­ern­iza­tion and sus­tain­able devel­op­ment of pow­er sys­tems in Viet­nam and world­wide”, says Nguyen Vu Cuong, Gen­er­al Direc­tor at EEMC.


MTM from Malaysia

The com­pa­ny head­quar­ters of Malaysia Trans­former Man­u­fac­tur­ing Sdn. Bhd. (MTM).

Found­ed: 1977 — Com­pa­ny head­quar­ters:  Ampang Jaya — Key mar­kets:Malaysia, ASEAN-coun­tries, Mid­dle East and Africa — Web­site: www.malaysiatransformer.com

Malaysia Trans­former Man­u­fac­tur­ing Sdn. Bhd. (MTM) spe­cial­izes in dis­tri­b­u­tion trans­form­ers up to 33 kV and pow­er trans­form­ers up to 150 kV and has been work­ing with MR for over 25 years. MTM appre­ci­ates the fact that MR on-load tap-chang­ers are easy to install and require lit­tle main­te­nance dur­ing oper­a­tion. Anoth­er impor­tant fac­tor is the good ser­vice, as Fir­daus Fuad, Head of Pro­duc­tion and Plant at MTM, empha­sizes: “In all the years that we have installed tap-chang­ers from MR, there have been no prob­lems or com­pli­ca­tions. The devices are extreme­ly user-friend­ly and much eas­i­er to install than com­pa­ra­ble prod­ucts from oth­er brands – clear proof of their well thought-out design and high-qual­i­ty work­man­ship.” 


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