How does the cooling circuit optimise the profitability of BESS installations? | Stromfeename="description" content="How does the cooling circuit optimise the profitability of BESS installations? The cooling circuit in a battery energy storage system (BESS) is the primary thermal management system to stabilise cell temperature. A tempera"> <link rel="canonical" href="https://stromfee-mauritius.ai/en/glaesern/bess/wizards/kuehlkreislauf/"> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "Article", "headline": "How does the cooling circuit optimise the profitability of BESS installations?", "mainEntityOfPage": "/glaesern/bess/wizards/kuehlkreislauf/", "description": "Cooling circuit (Liquid Cooling) — component in the battery storage. Standard: IEC 62933."}</script> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What is a cooling circuit in a BESS?", "acceptedAnswer": {"@type": "Answer", "text": "A closed system that removes heat by circulating liquid from the battery cells to maintain operating temperature within specifications."}}, {"@type": "Question", "name": "Why is Liquid Cooling important for profitability?", "acceptedAnswer": {"@type": "Answer", "text": "It allows for a more uniform distribution of temperature across all modules, which extends cell life and increases maintenance intervals."}}, {"@type": "Question", "name": "How does temperature influence battery life?", "acceptedAnswer": {"@type": "Answer", "text": "High temperatures accelerate chemical aging processes; a stable cooling circuit keeps cells in the optimal range for maximum cycle resistance."}}, {"@type": "Question", "name": "At what point does the cooling circuit become critical for operation?", "acceptedAnswer": {"@type": "Answer", "text": "As soon as cell temperature exceeds IEC 62933 limits, a reduction in power or an emergency shutdown is imminent."}}, {"@type": "Question", "name": "How to identify problems in the cooling circuit?", "acceptedAnswer": {"@type": "Answer", "text": "Differential pressure anomalies or discrepancies in the temperature difference between the outlet and return signal mechanical faults or obstructions."}}, {"@type": "Question", "name": "What role does cooling play during high discharge currents?", "acceptedAnswer": {"@type": "Answer", "text": "During heavy loads (e.g., Peak Shaving), the chemical reaction generates significant waste heat that must be actively removed to preserve cell integrity."}}]}</script> <style>:root{--bg:#fdfcff;--bg-soft:#faf8ff;--surface:#fff;--text:#1d1d1f;--text-2:#515154;--text-3:#86868b;--border:#fed7aa;--border-soft:#efeaf8;--accent:#f97316;--accent-bright:#fdba74;--accent-dim:rgba(234,88,12,.08);--emerald:#16a34a;--font:'Inter',-apple-system,sans-serif;--mono:'JetBrains Mono',monospace;--radius:16px}*{box-sizing:border-box;margin:0;padding:0} body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6; -webkit-font-smoothing:antialiased} .wrap{max-width:1080px;margin:0 auto;padding:0 24px} header{padding:14px 0;border-bottom:1px solid var(--border-soft);background:rgba(255,255,255,.72); backdrop-filter:saturate(180%) blur(20px);position:sticky;top:0;z-index:9} header a{color:var(--text-2);text-decoration:none;font-size:13px;margin-right:18px} header a:hover{color:var(--accent)} .hero{padding:56px 0 32px} .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase; color:var(--accent);margin-bottom:10px} h1{font-size:40px;letter-spacing:-.022em;line-height:1.12;margin-bottom:12px} .lead{font-size:19px;color:var(--text-2);max-width:62ch} h2{font-size:23px;letter-spacing:-.015em;margin:44px 0 6px} .sub{color:var(--text-3);font-size:14px;margin-bottom:18px} .steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:22px 0 8px} .step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px} .step b{display:block;font-size:15px;margin-bottom:4px} .step span{font-size:13px;color:var(--text-3)} .step i{font-family:var(--mono);font-size:11px;color:var(--accent);font-style:normal} .cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px} .c{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius); padding:16px 18px;text-decoration:none;color:inherit;transition:.16s} .c:hover{border-color:var(--accent-bright);box-shadow:0 8px 26px rgba(234,88,12,.16);transform:translateY(-2px)} .c b{display:block;font-size:15px;letter-spacing:-.01em} .c span{font-size:12.5px;color:var(--text-3);font-family:var(--mono)} .tag{display:inline-block;font-family:var(--mono);font-size:10.5px;padding:2px 7px;border-radius:6px; background:var(--accent-dim);color:var(--accent);margin-top:8px} .tag.de{background:rgba(180,83,9,.09);color:#b45309} .tag.live{background:rgba(22,163,74,.10);color:#16a34a} .note{background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:var(--radius); padding:16px 18px;font-size:14px;color:var(--text-2);margin:22px 0} .note b{color:var(--text)} .nav{display:flex;flex-wrap:wrap;gap:8px;margin:34px 0} .nav a{font-size:13px;padding:7px 13px;border:1px solid var(--border);border-radius:999px; text-decoration:none;color:var(--text-2);background:var(--surface)} .nav a:hover,.nav a.on{border-color:var(--accent);color:var(--accent)} footer{margin-top:64px;padding:26px 0;border-top:1px solid var(--border-soft); font-size:13px;color:var(--text-3)} @media(max-width:640px){h1{font-size:31px}.hero{padding:36px 0 24px}} .hero-w{background:linear-gradient(135deg,var(--accent),var(--accent-bright));color:#fff;padding:2.4rem 20px 3.4rem;text-align:center} .hero-w h1{font-size:2rem;margin:0;letter-spacing:-.01em}.hero-w p{opacity:.9;margin:.4rem 0 0} .step-img{width:100%;border-radius:14px;object-fit:cover;max-height:340px} .step-kicker{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0} .step-h{font-size:1.35rem;margin:.3rem 0 .7rem;letter-spacing:-.01em} .step-p{color:var(--text-2);line-height:1.6} .reg{font-family:var(--mono);font-size:.8rem;color:var(--accent);background:var(--accent-dim);padding:.15rem .5rem;border-radius:6px} .szen{margin-top:1.2rem;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:16px;padding:1.1rem 1.2rem} .szen .mon{font-family:var(--mono);font-size:.75rem;color:var(--accent);margin:0 0 .3rem} .szen-grid{display:grid;grid-template-columns:180px 1fr;gap:1rem;align-items:center} .szen-img{width:100%;border-radius:12px;object-fit:cover} @media(max-width:560px){.szen-grid{grid-template-columns:1fr}} .calcbox{margin-top:1rem;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:16px;padding:1.1rem 1.2rem} .calcbox input{width:96px;padding:.35rem .5rem;border:1px solid var(--border);border-radius:8px;font-family:var(--mono);font-size:.95rem} #steps{display:flex;background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:1.4rem;flex-wrap:wrap} .st .no{display:inline-flex;width:1.4rem;height:1.4rem;border-radius:50%;background:var(--border);color:var(--text-2);align-items:center;justify-content:center;font-size:.75rem;margin-right:.35rem} .st.on .no{background:var(--accent);color:#fff} .livebar{display:inline-flex;margin:1.2rem auto 0;padding:.5rem 1.1rem;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.5);border-radius:999px;font-size:.82rem;color:var(--text-2);align-items:center;gap:.5rem;box-shadow:0 6px 20px rgba(0,0,0,.08)} .livedot{width:.6rem;height:.6rem;border-radius:50%;background:#16a34a;box-shadow:0 0 0 0 rgba(22,163,74,.5);animation:lp 2s infinite} @keyframes lp{0%{box-shadow:0 0 0 0 rgba(22,163,74,.4)}70%{box-shadow:0 0 0 .5rem rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}} .livekpi{background:linear-gradient(135deg,var(--accent-dim),transparent);border:1px solid var(--accent-bright);border-radius:16px;padding:1.1rem 1.3rem;margin:.4rem 0 1rem} .livekpi .lv{font-size:2.2rem;font-weight:700;color:var(--accent);line-height:1;font-family:var(--mono)} .livekpi .ll{font-size:.9rem;color:var(--text-2);margin-top:.3rem} .livekpi .lts{font-size:.72rem;color:var(--text-3);font-family:var(--mono);margin-top:.4rem} .sec{max-width:1000px;margin:2.4rem auto;padding:0 20px} .sec h2{font-size:1.5rem;letter-spacing:-.01em;margin-bottom:.4rem} .sec .lead{color:var(--text-3);margin-bottom:1.2rem} .compgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px} .compgrid a{display:block;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:.16s} .compgrid a:hover{border-color:var(--accent-bright);box-shadow:0 8px 24px rgba(234,88,12,.14);transform:translateY(-2px)} .compgrid a img{width:100%;height:118px;object-fit:cover;display:block;background:#fff7ed} .compgrid .ct{padding:12px 15px} .compgrid b{display:block;font-size:14.5px}.compgrid span{font-size:12px;color:var(--text-3);font-family:var(--mono)} .ctaband{background:linear-gradient(135deg,var(--accent),var(--accent-bright));color:#fff;text-align:center;padding:2.6rem 20px;margin-top:2.4rem} .ctaband h2{font-size:1.6rem;margin-bottom:.6rem}.ctaband p{opacity:.92;max-width:60ch;margin:0 auto 1.4rem} .ctaband .btn{display:inline-block;background:#fff;color:var(--accent);font-weight:600;padding:.7rem 1.4rem;border-radius:999px;text-decoration:none;margin:.3rem} .faqsec details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:.4rem 1rem;margin-bottom:.6rem} .faqsec summary{cursor:pointer;font-weight:600;padding:.6rem 0;font-size:.98rem} .faqsec .faq-a{color:var(--text-2);padding:0 0 .8rem;line-height:1.6} .live-head{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin:.2rem 0 1.1rem} .live-status{font-weight:800;font-size:1.05rem}.live-sub{color:var(--text-3);font-size:.82rem} .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem} .kpi{background:linear-gradient(180deg,#fff,var(--bg-soft));border:1px solid var(--border);border-radius:15px;padding:.85rem .95rem} .kpi .kl{font-size:.72rem;letter-spacing:.03em;text-transform:uppercase;color:var(--text-3);font-weight:700} .kpi .kval{font-family:var(--mono);font-weight:700;font-size:1.4rem;color:var(--text);line-height:1.1;margin-top:.15rem} .kpi .kval .ku{font-size:.72rem;color:var(--accent);margin-left:.15rem} .kpi .spark{margin-top:.35rem;height:26px} .kpi.hl{border-color:var(--accent-bright);box-shadow:0 6px 18px rgba(234,88,12,.14)} @media(max-width:640px){.kpis{grid-template-columns:repeat(2,1fr)}} header.site{position:sticky;top:0;z-index:9;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--border-soft)} .navrow{display:flex;align-items:center;gap:1rem;height:56px} .brand{font-weight:800;letter-spacing:-.02em;color:var(--text);text-decoration:none;font-size:1.02rem} .nlinks{display:flex;gap:1.1rem;margin-left:auto}.nlinks a{color:var(--text-2);text-decoration:none;font-size:.86rem} .nlinks a:hover{color:var(--accent)} .navcta{background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:.82rem;padding:.5rem 1rem;border-radius:999px} @media(max-width:640px){.nlinks{display:none}} footer.site{margin-top:3rem;padding:2.4rem 0;border-top:1px solid var(--border-soft);background:var(--bg-soft);text-align:center} .fbrand{font-weight:800;color:var(--text);margin-bottom:.4rem} .fclaim{color:var(--text-2);font-size:.9rem;max-width:52ch;margin:0 auto 1rem} .flinks{display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem} .flinks a{color:var(--accent);text-decoration:none;font-size:.85rem} .fcopy{color:var(--text-3);font-size:.78rem} .wiz-wrap{position:relative;z-index:2;margin:-2.6rem auto 0;max-width:1000px;padding:0 20px 2rem} .wiz{background:#fff;border:1px solid var(--border,#fed7aa);border-radius:24px;box-shadow:0 2px 6px rgba(0,0,0,.05),0 30px 70px rgba(249,115,22,.10),0 0 0 1px rgba(249,115,22,.03);overflow:hidden} .wiz-steps{display:flex;gap:0;border-bottom:1px solid var(--border,#fed7aa);background:var(--bg-mute,#fff7ed)} .wiz-steps .st{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem .6rem;font-size:.82rem;font-weight:700;color:var(--text-3,#86868b);position:relative;cursor:pointer} .wiz-steps .st .no{width:22px;height:22px;border-radius:999px;background:#e5e0ee;color:#86868b;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;flex:0 0 auto} .wiz-steps .st.on{color:var(--accent)} .wiz-steps .st.on .no{background:var(--accent);color:#fff} .wiz-steps .st.done .no{background:#16a34a;color:#fff} .wiz-steps .st.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent)} .wiz-steps .st .lbl{display:none} .wiz-steps .st{padding:.8rem .3rem} .wiz-body{padding:1.6rem 1.7rem 1.9rem} .wiz-body{padding:1.2rem 1.1rem 1.5rem} .step-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:1.5rem;align-items:center} .step-grid{grid-template-columns:1fr;gap:1.1rem} .step-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;display:block;box-shadow:0 14px 34px rgba(249,115,22,.14)} .step-kicker{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:800;margin:0 0 .5rem} .step-h{font-size:clamp(1.35rem,2.6vw,1.7rem);font-weight:800;letter-spacing:-.01em;margin:0 0 .7rem;color:var(--text,#1d1d1f);line-height:1.16} .step-p{font-size:1.02rem;line-height:1.62;color:var(--text-2,#515154);margin:0 0 .8rem} .step-p b{color:var(--text,#1d1d1f)} .chk{list-style:none;padding:0;margin:.4rem 0 0} .chk li{display:flex;gap:.6rem;align-items:flex-start;font-size:.98rem;line-height:1.5;color:var(--text-2,#515154);margin:.55rem 0} .chk li .b{flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--accent-dim);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;margin-top:.05rem} .wiz-nav{display:flex;justify-content:space-between;align-items:center;gap:.8rem;margin-top:1.5rem;flex-wrap:wrap} .wiz-back{background:none;border:0;color:var(--text-3,#86868b);font-weight:700;font-size:.95rem;cursor:pointer;padding:.6rem .2rem} .wiz-back:hover{color:var(--text,#1d1d1f)} .wiz-next{background:linear-gradient(135deg,var(--accent),var(--accent-bright));color:#fff;border:0;border-radius:999px;padding:.85rem 1.6rem;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 10px 26px rgba(249,115,22,.28);text-decoration:none;display:inline-flex;align-items:center;gap:.5rem} .wiz-next:hover{transform:translateY(-1px)} .benefit{background:linear-gradient(135deg,#fff7f0,#fff);border:1px solid var(--accent-ultra);border-radius:18px;padding:1.3rem 1.4rem;margin:.2rem 0 1.1rem} .benefit h3{margin:0 0 .5rem;font-size:1.2rem;font-weight:800;color:var(--text,#1d1d1f)} .benefit p{margin:0;color:var(--text-2,#515154);line-height:1.6}</style></head><body> <header class="site"><div class="wrap navrow"> <a class="brand" href="/glaesern/bess/">◈ Transparent BESS</a> <nav class="nlinks"><a href="/glaesern/bess/">All trades</a> <a href="/glaesern/bess/klima.html">Cooling & Air Conditioning</a></nav> <a class="navcta" href="#kontakt">Installation check →</a></div></header> <div class="hero-w"><h1>Cooling circuit (Liquid Cooling)</h1><p>Component assistant · Cooling & Air Conditioning</p> </div> <div class="wiz-wrap"> <div id="steps"> <div class="st" data-s="1"><span class="no">1</span> Comprendre </div> <div class="st" data-s="2"><span class="no">2</span>View live</div> <div class="st" data-s="3"><span class="no">3</span>What the AI does</div> <div class="st" data-s="4"><span class="no">4</span>Your benefit</div> </div> <div id="body"></div> </div> <div class="sec"><h2>Diagram — Process & sensors live</h2><p class="lead">The path through the domain, with actual measurement points of the installation.</p><svg viewBox="0 0 920 300" style="width:100%;height:auto;background:#fdfcff;border:1px solid #fed7aa;border-radius:16px"><defs><linearGradient id="bx" x1="0" y1="0" x2="0" y2="1"><stop offset="0" stop-color="#fff"/><stop offset="1" stop-color="#fff7ed"/></linearGradient><marker id="ar" markerWidth="8" markerHeight="8" refX="6" refY="3" orient="auto"><path d="M0,0 L6,3 L0,6 Z" fill="#f97316"/></marker></defs><text x="20" y="30" font-size="14" font-weight="800" fill="#ea580c">Cooling & Air Conditioning — Process diagram</text><text x="20" y="48" font-size="10.5" fill="#86868b">green = live sensor from the installation · flow from left to right</text><line x1="138" y1="152" x2="268" y2="152" stroke="#f97316" stroke-width="2.5" marker-end="url(#ar)"/><line x1="392" y1="152" x2="522" y2="152" stroke="#f97316" stroke-width="2.5" marker-end="url(#ar)"/><line x1="646" y1="152" x2="776" y2="152" stroke="#f97316" stroke-width="2.5" marker-end="url(#ar)"/><g><rect x="20" y="120" width="118" height="64" rx="12" fill="url(#bx)" stroke="#fdba74" stroke-width="1.5"/><text x="79" y="148" text-anchor="middle" font-size="13" font-weight="700" fill="#1d1d1f"><tspan x="79" dy="-4"></tspan><tspan x="79" dy="14">Battery cabinet</tspan></text></g><g><rect x="274" y="120" width="118" height="64" rx="12" fill="url(#bx)" stroke="#fdba74" stroke-width="1.5"/><text x="333" y="148" text-anchor="middle" font-size="13" font-weight="700" fill="#1d1d1f"> Refroidissement </text><text x="333" y="170" text-anchor="middle" font-size="10.5" fill="#86868b"> Température </text></g><g><rect x="528" y="120" width="118" height="64" rx="12" fill="url(#bx)" stroke="#fdba74" stroke-width="1.5"/><text x="587" y="148" text-anchor="middle" font-size="13" font-weight="700" fill="#1d1d1f">NTC sensor</text></g><g><rect x="782" y="120" width="118" height="64" rx="12" fill="url(#bx)" stroke="#fdba74" stroke-width="1.5"/><text x="841" y="148" text-anchor="middle" font-size="13" font-weight="700" fill="#1d1d1f"> Régulation </text><text x="841" y="170" text-anchor="middle" font-size="10.5" fill="#86868b">Lifespan</text></g></svg></div> <div class="sec"><div class="block"><h3>Thus we connect — read-only</h3><p class="step-p">The value comes from<b>Modbus TCP · CAN (BMS) · PCS</b>of the installation —<b>read, not controlled</b>. Everything is<b>in the house</b>calculated, nothing leaves the house. No obligation to disclose operational data.</p></div><div class="block"><h3>Your own BESS LLM — offline</h3><p class="step-p">Questions in plain language, answered by<b>Your own installation data</b>— local, no cloud. The AI runs internally; the installation remains yours.</p></div><div class="note"><b>Regulatory framework:</b>IEC 62933</div><div class="block"><h3>Link with the entire installation</h3><p class="step-p">Storage only reveals its value within the system: with PV, load peaks and electricity prices. The AI plans storage in relation to the entire installation.</p><div style="display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.6rem"><a href="/glaesern/cogeneration/" style="font-size:.85rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:var(--accent)">Gläsernes BHKW →</a><a href="/glaesern/hotel/" style="font-size:.85rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:var(--accent)">Gläsernes Hotel →</a><a href="/fr/pv-watcher/" style="font-size:.85rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;text-decoration:none;color:var(--accent)">PV-Watcher →</a></div></div></div><div class="sec faqsec"><h2>Frequently Asked Questions</h2><details><summary>What is a cooling circuit in a BESS?</summary><div class="faq-a">A closed system that removes heat by circulating liquid from the battery cells to keep the operating temperature within specifications.</div></details><details><summary>Why is Liquid Cooling important for profitability?</summary><div class="faq-a">It allows for a more uniform distribution of temperature across all modules, which extends cell life and increases maintenance intervals.</div></details><details><summary>How does temperature affect battery life?</summary><div class="faq-a">High temperatures accelerate chemical aging processes; a stable cooling circuit keeps cells in the optimal range for maximum cycle resistance.</div></details><details><summary>At what point does the cooling circuit become critical for operation?</summary><div class="faq-a">As soon as cell temperature exceeds IEC 62933 limits, a power reduction or emergency shutdown is imminent.</div></details><details><summary>How to identify problems in the cooling circuit?</summary><div class="faq-a">Differential pressure anomalies or discrepancies in the temperature difference between flow and return signal mechanical faults or obstructions.</div></details><details><summary>What role does cooling play during high discharge currents?</summary><div class="faq-a">During heavy loads (e.g., Peak Shaving), the chemical reaction generates significant waste heat that must be actively removed to preserve cell integrity.</div></details></div> <footer class="site"><div class="wrap"> <div class="fbrand">◈ Transparent BESS</div> <p class="fclaim">Connected in read-only mode · local calculation · no cloud. The installation remains with you.</p> <nav class="flinks"><a href="/glaesern/bess/">All trades</a> <a href="/glaesern/bess/klima.html">Cooling & Air Conditioning</a> <a href="https://bhkw-anlagen.com/impressum.html">Legal notice</a> <a href="https://bhkw-anlagen.com/datenschutz.html">Data protection</a></nav> <div class="fcopy">© 2026 HR Energiemanagement GmbH · 32257 Bünde · +49 5223 4921030</div> </div></footer> <script> var state={step:1}; function li(t){return '<li>'+t+'</li>';} function nav(s){var b=s>1?'<button class="wiz-back" onclick="go('+(s-1)+')">← Back</button>':'<span></span>'; var n=s<4?'<button class="wiz-next" onclick="go('+(s+1)+')">Next →</button>':'<button class="wiz-next" onclick="go(1)">From the beginning</button>'; return '<div class="wiz-nav">'+b+n+'</div>';} function step1(){return '<div class="step-grid"><img class="step-img" src="../img/klima.jpg" alt="Cooling circuit (Liquid Cooling)">'+ '<div><p class="step-kicker">Step 1 · Understand</p><h2 class="step-h">What is the cooling circuit (Liquid Cooling)?</h2>>'+ '<p class="step-p">The cooling circuit in a battery energy storage system (BESS) is the primary thermal management system for stabilizing cell temperature. Precise temperature control is crucial according to IEC 62933 to minimize internal resistance and limit cell degradation. An efficient liquid cooling system allows for higher power density and extends the lifespan of the entire storage system.</p></div></div>'+nav(1);} function step2(){return '<div class="step-grid"><div><p class="step-kicker">Step 2 · See live</p><h2 class="step-h">No own register — honestly</h2><p class="step-p">No dedicated register is connected for this component, which is why no example value is provided here. Where the system measures, the value is read as read-only and calculated internally. It becomes visible via connected components.</p>></div><img class="step-img" src="../img/klima.jpg" alt="System"></div>'+nav(2);} function step3(){return '<div class="step-grid"><div><p class="step-kicker">Step 3 · What the AI does</p>'+ '<h2 class="step-h">What the AI reads in this component</h2><ul class="chk">'+li('Cell temperature (T_cell) as an indicator of <b>degradation rates</b>')+li('Average coolant temperature to monitor <b>heat dissipation performance</b>')+li('Differential pressure in the circuit for detecting <b>leaks or obstructions</b>')+li('Pump rotation speed to analyze the <b>energy consumption of the cooling system</b>')+'</ul></div>'+ '<img class="step-img" src="../img/ki-klima.jpg" alt="AI monitors"></div>'+ '<div class="szen szen-grid"><img class="szen-img" src="../img/szen-klima.jpg" alt="Scenario" loading="lazy"><div><p class="mon">Monitored: continuously · Interconnected sensors</p>'+ '<p class="step-p"><b>The scenario:</b> a point remains too hot for a long time, the cell there ages faster, its lifespan is shortened without anyone noticing it immediately.<br>'+ '<b>The AI:</b> identifies the deviating sensor and distinguishes between cooling and cell problems. <b>It recognizes the trend before the limit value is reached.</b></p></div></div>'+nav(3);} function step4(){return '<p class="step-kicker">Step 4 · Your benefit</p><h2 class="step-h">Why it\'s important</h2>'+ '<div class="benefit"><h3>Stable operating temperatures reduce capacity loss and maximize the number of available charge cycles.</h3><p>Optimized cooling prevents thermal excursions and protects cell chemistry from irreversible damage. This leads to a higher state of health (SOH) and thus to a direct increase in economic profitability.</p></div>'+ '<div class="calcbox"><p class="step-p">Continuous operation above optimum (K) <input id="c0" type="number" step="any" value="10" oninput="r()"> → <b><span id="o" style="color:var(--accent)">—</span> K above optimum</b></p>'+ '<p class="mon" style="margin-top:.5rem">Calculation method: Rule of thumb: every +10 K ~ half the calendar life</p></div>'+nav(4);} function r(){var v=[];for(var i=0;i<1;i++){var e=document.getElementById('c'+i);v.push(e?parseFloat(e.value)||0:0);}'o');if(o)o.textContent=(Math.round(res*100)/100).toLocaleString('de-DE');}'body').innerHTML=state.step===1?step1():state.step===2?step2():state.step===3?step3():step4();'#steps .st').forEach(function(el){var n=+el.getAttribute('data-s');el.classList.toggle('on',n===state.step);el.classList.toggle('done',n<state.step);});'smooth'});} document.querySelectorAll('#steps .st').forEach(function(el){el.style.cursor='pointer';el.onclick=function(){go(+el.getAttribute('data-s'));};}); render(); </script></body></html>