forked from jappel/leistungsbilanz-ts
cable-sizing: size for the protective device, not just the load; manual entry; icon position
- calculateCableSizing now selects cross-section against designCurrentA = max(operatingCurrentA, existingProtectionRatedCurrentA) instead of the load current alone. A breaker only trips at its own rated current (In), so a cable sized for the actual load could overheat under sustained current below that threshold - the standard In <= Iz rule. Voltage-drop calculation still uses the real operating current, only the capacity check changed. Alerts and the ok-summary now name the breaker as the limiting factor when it is one. - Added a manual cable type/cross-section entry in the modal itself: running a calculation pre-fills these fields as a suggestion, but they are the single field that actually gets applied, and stay editable - this restores the direct manual-entry capability the modal replaced when it took over the cableSummary/cableCrossSection cell click. - Fixed calculator icon position from a trailing ::after (inconsistent position depending on cell text length, easy to miss on empty cells) to a fixed-position ::before, so it is always in the same place regardless of whether cable data is already filled in. - No new display for the existing protection device - it already has its own Schutz column in this app.
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Grovy311
parent
a35d04965e
commit
8562d6eb83
5 changed files with 145 additions and 29 deletions
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@ -1227,10 +1227,17 @@ a.kpi:hover {
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box-shadow: inset 0 0 0 1px var(--color-primary);
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}
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.tree-grid .cell-cable-sizing-trigger::after {
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content: " 🧮";
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.tree-grid .cell-cable-sizing-trigger {
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position: relative;
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padding-left: 1.4em;
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}
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.tree-grid .cell-cable-sizing-trigger::before {
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content: "🧮";
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position: absolute;
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left: 0.2em;
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font-size: 0.8em;
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opacity: 0.7;
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opacity: 0.8;
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}
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.tree-grid .device-drag-handle {
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@ -259,6 +259,13 @@ export interface CableSizingResult {
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* combination - every field below is null/empty, never a guess. */
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dataVerified: boolean;
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operatingCurrentA: number;
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/** max(operatingCurrentA, existingProtectionRatedCurrentA). The cable
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* capacity (Iz) must cover the protective device's rated current (In),
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* not just the actual load current - a breaker only trips at In, so a
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* cable sized for Ib alone could overheat under sustained load below the
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* trip threshold. This is the value cross-section selection actually
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* uses; operatingCurrentA is kept for display/voltage-drop only. */
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designCurrentA: number;
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crossSectionByCapacityMm2: number | null;
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crossSectionByVoltageDropMm2: number | null;
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recommendedCrossSectionMm2: number | null;
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@ -282,10 +289,16 @@ function operatingCurrentA(input: CableSizingInput): number {
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export function calculateCableSizing(input: CableSizingInput): CableSizingResult {
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const ib = operatingCurrentA(input);
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const designCurrentA =
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input.existingProtectionRatedCurrentA != null
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? Math.max(ib, input.existingProtectionRatedCurrentA)
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: ib;
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if (!isCableSizingDataVerified(input.layingMethod, input.insulation)) {
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return {
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dataVerified: false,
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operatingCurrentA: ib,
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designCurrentA,
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crossSectionByCapacityMm2: null,
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crossSectionByVoltageDropMm2: null,
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recommendedCrossSectionMm2: null,
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@ -328,7 +341,7 @@ export function calculateCableSizing(input: CableSizingInput): CableSizingResult
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);
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const indexByCapacity = correctedCurrents.findIndex(
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(value) => value != null && value >= ib
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(value) => value != null && value >= designCurrentA
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);
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const indexByVoltageDrop = voltageDrops.findIndex(
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(value) => value <= input.maxVoltageDropPercent
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@ -341,7 +354,7 @@ export function calculateCableSizing(input: CableSizingInput): CableSizingResult
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const rows: CrossSectionRow[] = CROSS_SECTIONS_MM2.map((crossSection, i) => {
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const rated = ratedCurrents[i];
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const corrected = correctedCurrents[i];
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const currentSufficient = corrected == null ? null : corrected >= ib;
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const currentSufficient = corrected == null ? null : corrected >= designCurrentA;
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const voltageDropSufficient = voltageDrops[i] <= input.maxVoltageDropPercent;
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return {
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crossSectionMm2: crossSection,
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@ -368,6 +381,7 @@ export function calculateCableSizing(input: CableSizingInput): CableSizingResult
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return {
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dataVerified: true,
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operatingCurrentA: ib,
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designCurrentA,
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crossSectionByCapacityMm2:
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indexByCapacity >= 0 ? CROSS_SECTIONS_MM2[indexByCapacity] : null,
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crossSectionByVoltageDropMm2:
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@ -407,9 +421,14 @@ export function buildCableSizingAlerts(
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const recommended = result.recommendedCrossSectionMm2;
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if (byCapacity == null) {
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const dueToBreaker =
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input.existingProtectionRatedCurrentA != null &&
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input.existingProtectionRatedCurrentA > result.operatingCurrentA;
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alerts.push({
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kind: "critical",
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text: `Betriebsstrom ${result.operatingCurrentA.toFixed(1)} A übersteigt die Belastbarkeit aller Standardquerschnitte bei Verlegeart ${input.layingMethod}.`,
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text: dueToBreaker
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? `Vorhandene Sicherung (${input.existingProtectionRatedCurrentA} A) übersteigt die Belastbarkeit aller Standardquerschnitte bei Verlegeart ${input.layingMethod} - nicht der Betriebsstrom (${result.operatingCurrentA.toFixed(1)} A). Größere Verlegeart oder kleinere Sicherung prüfen.`
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: `Betriebsstrom ${result.operatingCurrentA.toFixed(1)} A übersteigt die Belastbarkeit aller Standardquerschnitte bei Verlegeart ${input.layingMethod}.`,
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});
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} else if (byDrop != null && byDrop > byCapacity) {
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alerts.push({
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@ -435,16 +454,23 @@ export function buildCableSizingAlerts(
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text: `Korrekturfaktor angewendet: ${result.combinedDerationFactor.toFixed(2)} (Temperatur × Häufung${result.harmonicReductionApplied ? " × Oberschwingungen" : ""}).`,
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});
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}
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if (result.protectionCoordination && !result.protectionCoordination.coordinated) {
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alerts.push({
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kind: "warn",
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text: `Vorhandener Schutz (${result.protectionCoordination.ratedCurrentA} A) übersteigt die Belastbarkeit des empfohlenen Querschnitts - Koordination prüfen (vereinfachte Prüfung, ersetzt keine vollständige Überlast-/Kurzschlussprüfung).`,
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});
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if (result.protectionCoordination) {
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alerts.push(
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result.protectionCoordination.coordinated
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? {
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kind: "info",
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text: `Vorhandene Sicherung (${result.protectionCoordination.ratedCurrentA} A) ist bei der Dimensionierung berücksichtigt (In ≤ Iz, vereinfachte Prüfung, ersetzt keine vollständige Überlast-/Kurzschlussprüfung).`,
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}
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: {
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kind: "warn",
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text: `Vorhandene Sicherung (${result.protectionCoordination.ratedCurrentA} A) übersteigt die Belastbarkeit des empfohlenen Querschnitts - Koordination prüfen.`,
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}
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);
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}
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if (alerts.length === 0 && recommended != null) {
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alerts.push({
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kind: "ok",
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text: `${recommended} mm² (${input.conductorMaterial === "aluminum" ? "Alu" : "Cu"}) deckt bei ${input.lengthM} m Länge sowohl Belastbarkeit (${result.operatingCurrentA.toFixed(1)} A) als auch Spannungsfall (≤ ${input.maxVoltageDropPercent}%) ab.`,
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text: `${recommended} mm² (${input.conductorMaterial === "aluminum" ? "Alu" : "Cu"}) deckt bei ${input.lengthM} m Länge sowohl Belastbarkeit (${result.designCurrentA.toFixed(1)} A${input.existingProtectionRatedCurrentA != null ? ", inkl. vorhandener Sicherung" : ""}) als auch Spannungsfall (≤ ${input.maxVoltageDropPercent}%) ab.`,
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});
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}
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return alerts;
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@ -31,7 +31,11 @@ interface CableSizingModalProps {
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isSaving: boolean;
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projectId: string;
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onClose: () => void;
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onApply: (patch: { cableCrossSection: string; cableLength?: number }) => Promise<void>;
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onApply: (patch: {
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cableCrossSection: string;
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cableType?: string;
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cableLength?: number;
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}) => Promise<void>;
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}
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function temperatureOptions(method: LayingMethod) {
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@ -58,6 +62,12 @@ export function CableSizingModal({
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const [lengthM, setLengthM] = useState(circuit.cableLength ?? 0);
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const [phase, setPhase] = useState<1 | 3>(circuit.voltage === 400 ? 3 : 1);
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// Manual override: applying this never requires a calculation. Prefilled
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// from the circuit's current values so opening the modal on an already
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// specified cable doesn't lose that data.
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const [manualCableType, setManualCableType] = useState(circuit.cableType ?? "");
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const [manualCrossSection, setManualCrossSection] = useState(circuit.cableCrossSection ?? "");
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const [calculating, setCalculating] = useState(false);
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const [calculationId, setCalculationId] = useState<string | null>(null);
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const [result, setResult] = useState<CableSizingResult | null>(null);
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@ -121,6 +131,12 @@ export function CableSizingModal({
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setResult(response.result);
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setAlerts(response.alerts);
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setCalculationId(response.calculationId);
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// Calculating fills the manual field as a suggestion, but that field
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// stays the single source of truth for what gets applied - the user
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// can still edit it by hand before submitting.
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if (response.result.dataVerified && response.result.recommendedCrossSectionMm2) {
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setManualCrossSection(`${response.result.recommendedCrossSectionMm2} mm²`);
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}
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} catch (err) {
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setError(err instanceof Error ? err.message : "Berechnung fehlgeschlagen");
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} finally {
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@ -130,21 +146,22 @@ export function CableSizingModal({
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async function handleSubmit(event: FormEvent<HTMLFormElement>) {
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event.preventDefault();
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if (!result?.recommendedCrossSectionMm2) return;
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if (!manualCrossSection.trim()) return;
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await onApply({
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cableCrossSection: `${result.recommendedCrossSectionMm2} mm²`,
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cableCrossSection: manualCrossSection.trim(),
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cableType: manualCableType.trim() || undefined,
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cableLength: lengthM,
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});
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}
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return (
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<FormModal
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description="Empfehlung auf Basis von Verlegeart, Isolierstoff, Temperatur und Häufung nach DIN VDE 0298-4. Ersetzt keine vollständige Norm-Prüfung; nicht verifizierte Verlegearten liefern bewusst kein Ergebnis. Du kannst das Ergebnis vor der Übernahme frei prüfen."
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description="Empfehlung auf Basis von Verlegeart, Isolierstoff, Temperatur und Häufung nach DIN VDE 0298-4, oder Kabeltyp/Querschnitt direkt manuell eintragen. Ersetzt keine vollständige Norm-Prüfung; nicht verifizierte Verlegearten liefern bewusst kein Ergebnis."
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isSaving={isSaving}
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onClose={onClose}
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onSubmit={handleSubmit}
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submitDisabled={!result?.dataVerified || !result.recommendedCrossSectionMm2}
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submitLabel="Empfehlung übernehmen"
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submitDisabled={!manualCrossSection.trim()}
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submitLabel="Übernehmen"
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title={`Kabel dimensionieren - ${circuit.equipmentIdentifier}`}
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>
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<div className="row g-3">
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@ -183,7 +200,6 @@ export function CableSizingModal({
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value={`${circuit.circuitTotalPower.toFixed(2)} kW`}
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/>
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</div>
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<div className="col-12 col-md-6">
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<label className="form-label" htmlFor="cable-sizing-method">
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Verlegeart (DIN VDE 0298-4)
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@ -355,6 +371,14 @@ export function CableSizingModal({
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<div className="text-muted small">Betriebsstrom Ib</div>
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<div>{result.operatingCurrentA.toFixed(1)} A</div>
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</div>
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<div className="col-6 col-md-3">
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<div className="text-muted small">
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Bemessungsstrom (für Querschnittswahl){circuit.protectionDevice ? " *" : ""}
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</div>
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<div>
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<strong>{result.designCurrentA.toFixed(1)} A</strong>
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</div>
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</div>
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<div className="col-6 col-md-3">
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<div className="text-muted small">Empfohlener Querschnitt</div>
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<div>
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@ -394,14 +418,48 @@ export function CableSizingModal({
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{alert.text}
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</div>
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))}
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{circuit.protectionDevice && (
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<p className="text-muted small mt-2 mb-0">
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* Bemessungsstrom = Maximum aus Betriebsstrom und vorhandener Sicherung
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({circuit.protectionDevice.ratedCurrentA} A) - die Sicherung löst erst bei ihrem
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eigenen Bemessungsstrom aus, das Kabel muss also dafür ausgelegt sein, nicht nur
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für die tatsächliche Last.
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</p>
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)}
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</div>
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)}
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{calculationId ? null : (
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<p className="text-muted small mt-2">
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Zuerst berechnen, dann prüfen und ggf. übernehmen - nichts wird automatisch
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geschrieben.
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</p>
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)}
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<hr className="my-3" />
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<p className="text-muted small mb-2">
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Querschnitt manuell eingeben oder eine Berechnung oben übernehmen - beides schreibt in
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dasselbe Feld, du kannst es vor dem Übernehmen frei anpassen.
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</p>
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<div className="row g-3">
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<div className="col-12 col-md-6">
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<label className="form-label" htmlFor="cable-sizing-manual-type">
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Kabeltyp
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</label>
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<input
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className="form-control"
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id="cable-sizing-manual-type"
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onChange={(event) => setManualCableType(event.target.value)}
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placeholder="z.B. NYM-J 3x1.5"
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value={manualCableType}
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/>
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</div>
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<div className="col-12 col-md-6">
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<label className="form-label" htmlFor="cable-sizing-manual-cross-section">
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Querschnitt
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</label>
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<input
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className="form-control"
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id="cable-sizing-manual-cross-section"
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onChange={(event) => setManualCrossSection(event.target.value)}
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placeholder="z.B. 4 mm²"
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value={manualCrossSection}
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/>
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</div>
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</div>
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</FormModal>
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);
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}
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@ -1403,6 +1403,7 @@ export function CircuitTreeEditor(props: { projectId: string; circuitListId: str
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async function handleApplyCableSizing(patch: {
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cableCrossSection: string;
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cableType?: string;
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cableLength?: number;
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}) {
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const circuit = cableSizingEditorCircuit;
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