How does the gas tank fill level regulate power in the CHP? | Stromfeeontent="How does the gas tank fill level regulate power in the CHP? The PLC (SPS) regulates the CHP power via 5 gas tank fill levels: the CHP starts at around 65% fill, stops at around 30%; between the thresholds"> <link rel="canonical" href="https://stromfee-mauritius.ai/en/glaesern/cogeneration/wizards/frage_gasfuellstand_regelung/"> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "Article", "headline": "How does the gas tank fill level regulate power in the CHP?", "mainEntityOfPage": "/glaesern/cogeneration/wizards/frage_gasfuellstand_regelung.html", "description": "The PLC regulates CHP output over 5 gas storage fill levels: CHP starts at approx. 65% fill, stops at approx. 30%; between the threshold values, the output is adjusted stepwise — prevent"}</script> <script type="application/ld+json">{"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What happens if the gas tank fill level falls below 30%?", "acceptedAnswer": {"@type": "Answer", "text": "The system detects a critical gas shortage and automatically shuts down the CHP to avoid a dry running phase or incorrect operation."}}, {"@type": "Question", "name": "Why is the power adjusted gradually between 30% and 65%?", "acceptedAnswer": {"@type": "Answer", "text": "Zoning serves to regulate gas consumption proportionally to the current stock and to ensure uniform operation of the CHP."}}, {"@type": "Question", "name": "From what fill level is operation in high-load mode safe?", "acceptedAnswer": {"@type": "Answer", "text": "With a fill level above 65%, a sufficient reserve is available to operate the CHP without immediate emergency shutdown during peak loads."}}, {"@type": "Question", "name": "How is the fill level technically fed into the PLC (SPS)?", "acceptedAnswer": {"@type": "Answer", "text": "The value is generally captured via an ultrasonic or pressure sensor and provided as an analogue or digital measurement value for logical processing."}}, {"@type": "Question", "name": "Why is the live measured value (e.g. 255.7) important for the operator?", "acceptedAnswer": {"@type": "Answer", "text": "It serves as a direct indicator of the current amount of gas in the CHP system and allows monitoring of the stock in real-time."}}, {"@type": "Question", "name": "How does the control prevent an overflow of the gas tank?", "acceptedAnswer": {"@type": "Answer", "text": "The PLC detects the approach of the upper limit (65%) and adjusts the supply or consumption rate so that the maximum fill level is not exceeded."}}]}</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:#ea580c;--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; 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.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/">◈ Transparent CHP</a> <nav class="nlinks"><a href="/glaesern/">All trades</a> <a href="/glaesern/cogeneration/gasstrecke.html">Gas line</a></nav> <a class="navcta" href="#kontakt">Installation check →</a></div></header> <div class="hero-w"><h1>How does the gas tank fill level regulate the CHP?</h1><p>Component assistant · Gas line</p> <div class="livebar"><span class="livedot"></span><b id="lcount2">…</b>Live values from the plant ·<span id="lts2"> verbinde… </span></div></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 the 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">Gas line — Process diagram</text><text x="20" y="48" font-size="10.5" fill="#86868b">orange = live sensor of the plant · 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">Gas pipeline</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"><tspan x="333" dy="-4"></tspan><tspan x="333" dy="14">Gas control circuit</tspan></text><text x="333" y="170" text-anchor="middle" font-size="10.5" fill="#86868b"> Pression </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">Gas mixer</text><text x="587" y="170" text-anchor="middle" font-size="10.5" fill="#86868b"> Air+Gaz </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">Motor inlet</text></g><line x1="79" y1="120" x2="79" y2="88" stroke="#ea580c" stroke-width="1.5" stroke-dasharray="3 2"/><circle cx="79" cy="120" r="3.5" fill="#ea580c"/><g transform="translate(79,58)"><rect x="-52" y="0" width="104" height="30" rx="8" fill="#fff" stroke="#ea580c" stroke-width="1"/><text x="0" y="12" text-anchor="middle" font-size="8.5" fill="#86868b">Gas quantity</text><text x="0" y="25" text-anchor="middle" font-size="12" font-weight="700" fill="#ea580c" class="svlive" data-k="sbhkw2_rgasmenge" data-u="m³/h">…</text></g><line x1="333" y1="120" x2="333" y2="88" stroke="#ea580c" stroke-width="1.5" stroke-dasharray="3 2"/><circle cx="333" cy="120" r="3.5" fill="#ea580c"/><g transform="translate(333,58)"><rect x="-52" y="0" width="104" height="30" rx="8" fill="#fff" stroke="#ea580c" stroke-width="1"/><text x="0" y="12" text-anchor="middle" font-size="8.5" fill="#86868b">Fill level</text><text x="0" y="25" text-anchor="middle" font-size="12" font-weight="700" fill="#ea580c" class="svlive" data-k="sbhkw2regel_riwgasfuellstmw" data-u="%">…</text></g><line x1="587" y1="120" x2="587" y2="88" stroke="#ea580c" stroke-width="1.5" stroke-dasharray="3 2"/><circle cx="587" cy="120" r="3.5" fill="#ea580c"/><g transform="translate(587,58)"><rect x="-52" y="0" width="104" height="30" rx="8" fill="#fff" stroke="#ea580c" stroke-width="1"/><text x="0" y="12" text-anchor="middle" font-size="8.5" fill="#86868b"> Mélangeur </text><text x="0" y="25" text-anchor="middle" font-size="12" font-weight="700" fill="#ea580c" class="svlive" data-k="sbhkw2_rgasmischer_pos" data-u="%">…</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 · Plant PLC · M-Bus (meters)</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 operating data.</p></div><div class="block"><h3>Your own LLM for CHP — 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>DVGW G 260 (gas quality) · DVGW G 262 (biogas injection)</div><div class="block"><h3>Associated causal chains</h3><p class="step-p">This component is part of<a href="https://bhkw-anlagen.com/kausalketten.html" style="color:var(--accent)">Installation causal chains</a>— from cause to effect (gas quality → engine → exhaust gas → heat → efficiency). The AI reads the entire chain, not just the individual value.</p></div><div class="block"><h3>Link with the entire installation</h3><p class="step-p">A CHP is never alone: electricity, heat and gas are linked, and with PV and battery storage, it becomes a system. The AI calculates 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)">Transparent BESS →</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 happens if the gas tank fill level falls below 30%?</summary><div class="faq-a">The system detects a critical gas shortage and automatically shuts down the CHP to avoid a dry running phase or incorrect handling.</div></details><details><summary>Why is the power adjusted gradually between 30% and 65%?</summary><div class="faq-a">Zoning serves to regulate gas consumption proportionally to the current stock and ensure uniform operation of the CHP.</div></details><details><summary>From what fill level is operation in high-load mode safe?</summary><div class="faq-a">With a fill level above 65%, a sufficient reserve is available to operate the CHP without an immediate emergency stop during peak loads.</div></details><details><summary>How is the fill level technically injected into the PLC (SPS)?</summary><div class="faq-a">The value is generally captured via an ultrasonic or pressure sensor and provided as an analog or digital measured value for logical processing.</div></details><details><summary>Why is the live measured value (e.g. 255.7) important for the operator?</summary><div class="faq-a">It serves as a direct indicator of the current amount of gas in the CHP system and allows monitoring of the stock in real-time.</div></details><details><summary>How does the control prevent an overflow of the gas tank?</summary><div class="faq-a">The PLC detects the approach of the upper limit (65%) and adjusts the supply or consumption rate so that the maximum fill level is not exceeded.</div></details></div> <footer class="site"><div class="wrap"> <div class="fbrand">◈ Transparent CHP</div> <p class="fclaim">Connected in read-only mode · local calculation · no cloud. 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