{"id":6621,"date":"2026-06-30T04:29:17","date_gmt":"2026-06-29T19:29:17","guid":{"rendered":"https:\/\/www.hyosung.co.jp\/?page_id=6621"},"modified":"2026-07-01T05:18:32","modified_gmt":"2026-06-30T20:18:32","slug":"ess","status":"publish","type":"page","link":"https:\/\/www.hyosung.co.jp\/en\/production\/heavy_industry\/ess\/","title":{"rendered":"POWER SYSTEMS \u2013 Energy Storage Systems (ESS)"},"content":{"rendered":"

Pioneered Korea\u2019s first ESS project in 2009, securing a global track record of over 1GW \/ 2.5GWh across Korea, the US, Asia, and Africa.<\/span>
\n We provide tailored ESS designs customized to diverse <\/span>
\nrequirements, including renewable energy integration and frequency regulation.<\/span><\/h2>\n
<\/div>\n
\n\"\"<\/p>\n<\/div><\/div>\n
\n

Based on power conversion and energy operation technology, We leads the development of ESS technologies and markets around the world.
\nWe provides the full range of service, from system consulting services to supply and integration. Equipped with strengths in the ESS business due to its extensive business experience and product reliability, Hyosung contributes to maximizing customer value and creating new future values in the electric power industry.\u000b\u000bESS can be applied to peak shaving, frequency regulation, and renewable energy integration, and it is also used in microgrids, replacing diesel generators in remote island and desert regions.<\/p>\n

<\/div>\n
.<\/a><\/div>\n<\/div><\/div><\/div>\n
<\/div>\n
\u2015 Applications \u2015<\/div><\/div>\n

Peak Shaving<\/strong><\/span><\/h3>\n\n\n\n\n\n\n
Discharge time<\/strong><\/span><\/td>\n\u2265 2hours<\/td>\nMajor customers<\/strong><\/span><\/td>\nConsumers and DR operators<\/td>\n<\/tr>\n
Purpose<\/strong><\/span><\/td>\n\u30fbSecuring profits by charging when electricity rates are low and discharging at peak times
\n\u30fbPeak shifting
\nConsumers<\/strong><\/span>
\n\u30fbReduced electricity bills<\/td>\n<\/tr>\n
Anticipated Benefits<\/strong><\/span><\/td>\nGrid operators<\/strong><\/span>
\n\u30fbElimination of concerns about power shortages at peak times
\n\u30fbReduced investment costs for additional power plant construction<\/td>\n<\/tr>\n
\u00a0<\/span><\/strong><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n

Frequency Regulation<\/strong><\/span><\/h3>\n\n\n\n\n\n\n
Discharge time<\/strong><\/span><\/td>\n30 min to 1 hr (Frequency Regulation)<\/td>\nMajor customers<\/strong><\/span><\/td>\nPower generation business operators<\/td>\n<\/tr>\n
Purpose<\/strong><\/span><\/td>\n\u30fbGrid auxiliary services: Providing backup power in case of emergency
\n\u30fbImproved power quality: Frequency regulation for generated power
\nPower generation business operators<\/span><\/strong>
\n\u30fbImproved efficiency of existing generators<\/td>\n<\/tr>\n
Anticipated Benefits<\/strong><\/span><\/td>\nGrid operator<\/span><\/strong>
\n\u30fbStable system operation with short response time
\n\u30fbImproved quality of power used<\/td>\n<\/tr>\n
\u00a0<\/span><\/strong><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n

Renewable Integration<\/strong><\/span><\/h3>\n\n\n\n\n\n\n
Discharge time<\/strong><\/span><\/td>\n3\u301c4hr<\/td>\nMajor
\ncustomers<\/strong><\/span><\/td>\n		Renewable Energy Power generation business operators<\/td>\n<\/tr>\n
Purpose<\/strong><\/span><\/td>\n\u30fbPower energy supply at peak demand times (REC weight margin)
\n\u30fbWind and solar power output variation control
\n\u30fbDeferred investment in the expansion of grid transmission capacity
\nRenewable energy power generation operators<\/strong><\/span>
\n\u30fbAfter storage, additional profits gained leveraging REC weight margin<\/td>\n<\/tr>\n
Anticipated Benefits<\/strong><\/span><\/td>\nGrid operators<\/span><\/strong>
\n\u30fbElimination of system instability
\n\u30fbControl of power waste and power shortages to reduce overall system operating costs<\/td>\n<\/tr>\n
\u00a0<\/span><\/strong><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n
<\/div>\n
\u2015 Products \u2015<\/div><\/div>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Classification<\/strong><\/th>Item<\/strong><\/th>HS-EM2625GLO<\/th>HS-EM4200GLO<\/th>\n<\/tr>\n<\/thead>\n
DC Input<\/strong><\/td>Input Voltage Range<\/td>1,040 \uff5e 1,500V<\/td>\n<\/tr>\n
Max. Input Current<\/td>2,524A<\/td>4,038A<\/td>\n<\/tr>\n
AC Output<\/strong><\/td>Rated Capacity<\/td>2,625kVA<\/td>4,200kVA<\/td>\n<\/tr>\n
Output Voltage<\/td>3-Phase 690V<\/td>\n<\/tr>\n
Output Current<\/td>2,196A<\/td>3,514A<\/td>\n<\/tr>\n
Grid Frequency<\/td>50\/60Hz<\/td>\n<\/tr>\n
Total Harmonic Distortion (THD)<\/td>\u2265 5\uff05<\/td>\n<\/tr>\n
Power Factor<\/td>-1 \uff5e +1\u00a0(Leading\/Lagging)<\/td>\n<\/tr>\n
Efficiency<\/strong><\/td>Max. Efficiency<\/td>98.50%<\/td>\n<\/tr>\n
Environmental Condition<\/strong><\/td>Ambient Temperature<\/td>-20 \uff5e 50\u2103<\/td>\n<\/tr>\n
Relative Humidity<\/td>< 95% RH<\/td>\n<\/tr>\n
Cooling Method<\/strong><\/td>Cooling Method<\/td>Forced Air Cooling<\/td>\n<\/tr>\n
Mechanical Specs<\/strong><\/td>Protection Degree<\/td>IP55 \/ NEMA 3R<\/td>\n<\/tr>\n
Dimensions \uff08W\u00d7D\u00d7H\uff09<\/td>1,800\u00d71,900\u00d72,100cm<\/td>2,500\u00d72,300\u00d72,300cm<\/td>\n<\/tr>\n
Weight<\/td>\u7d04 3,000kg<\/td>\u7d04 6,000kg<\/td>\n<\/tr>\n
Communication<\/strong><\/td>Communication Protocol<\/td>Modbus TCP\/IP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
<\/div>\n
\u2015 Vulnerability Disclosure Policy \u2015<\/div><\/div>\n

We accept vulnerability information regarding our products in accordance with our \"Vulnerability Disclosure Policy.\"
\nIf you discover a vulnerability,
please contact us via this form,<\/a> providing the following details: (1) the nature of the vulnerability, (2) steps to reproduce it, and (3) the potential impact.<\/p>\n

\u30fbVulnerability Response Policy\uff08size:104KB\uff09\u3000\"\"download<\/a>","protected":false},"excerpt":{"rendered":"

Pioneered Korea\u2019s first ESS projec...<\/p>\n","protected":false},"author":1,"featured_media":3232,"parent":125,"menu_order":3416,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"class_list":["post-6621","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/pages\/6621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/comments?post=6621"}],"version-history":[{"count":32,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/pages\/6621\/revisions"}],"predecessor-version":[{"id":6666,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/pages\/6621\/revisions\/6666"}],"up":[{"embeddable":true,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/pages\/125"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/media\/3232"}],"wp:attachment":[{"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/media?parent=6621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hyosung.co.jp\/en\/wp-json\/wp\/v2\/categories?post=6621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}