Voltage drop over a run
API · /voltagedrop-api
Voltage Drop API
salutare
3,090 Abbonati
Cable voltage-drop and conductor-sizing maths as an API, computed locally and deterministically. The drop endpoint computes the voltage lost along a cable run from the current, the one-way run length, the conductor cross-section and the material: the conductor resistance R = ρ·L/A, the voltage drop Vd = k·I·R (k = 2 for single-phase, √3 for three-phase), the drop as a percentage of the supply and the voltage left at the load. The sizing endpoint works backwards: from an allowable percentage drop it returns the minimum conductor cross-section needed, A ≥ k·I·ρ·L/Vd_allow, rounds up to the next standard cable size (1.5, 2.5, 4, 6, 10, 16, 25 … mm²) and reports the actual drop at that size. The power endpoint computes the power dissipated as heat in the cable, P = N·I²·R (N = 2 or 3 current-carrying conductors), and the cable efficiency given a load power. Copper (ρ = 0.0172) and aluminium (ρ = 0.0282 Ω·mm²/m) are supported. Everything is computed locally and deterministically, so it is instant and private. Ideal for electrical-installation and panel-design tools, cable selection to wiring-regulation limits, solar, EV-charger and sub-main sizing, and electrical-engineering education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is cable voltage drop and sizing; for Ohm's law, reactance and resonance use an Ohm's-law API and for transformer ratios use a transformer API.
api.oanor.com/voltagedrop-api
API salute
salutare- Tempo di attività
- 100.00%
- Sondaggi del server · 24 ore su 24
- Latenza media
- 78 ms
- Sondaggi del server · 24 ore su 24
- Abbonati
- 3,090
- attiva
- Chiamate totali
- 76
- ultimi 7 giorni
Prezzi
Scegli un livello: fatturazione mensile, annullamento in qualsiasi momento.
Free
Gratis
- 2,000 chiamate/mese
- 2 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 21,235 llamadas/mes
- 2 req/seg
- Caída + dimensionamiento + pérdida de potencia
- Sin tarjeta de crédito
Starter
€9.00 /mese
- 20,000 chiamate/mese
- 5 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 32.55k calls/month
- 8 req/sec
- Single/three-phase, Cu/Al, standard sizes
- Email support
Pro
€24.00 /mese
- 120,000 chiamate/mese
- 15 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 359.5k calls/month
- 20 req/sec
- Cable-selection & panel pipelines
- Priority support
Mega
€75.00 /mese
- 641,000 chiamate/mese
- 40 richieste/secondo
- Tetto rigido (429 sopra la quota, nessuna eccedenza)
- 1.84M calls/month
- 50 req/sec
- Platform scale
- Dedicated SLA
Costruito da
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Wire Gauge (AWG) API
American Wire Gauge maths as an API, computed locally and deterministically from the AWG definition. The awg endpoint takes a gauge — an integer, or 0/00/000/0000 (1/0–4/0) — and returns the conductor diameter (millimetres, inches, mils), the cross-section area (mm², kcmil and circular mils), the DC resistance per kilometre and per 1000 feet for copper and aluminium, and a typical ampacity. The convert endpoint finds the nearest standard AWG for a given cross-section area, diameter or kcmil, and also reports the exact non-integer gauge. The voltage-drop endpoint computes the round-trip voltage drop and power loss for a wiring run from the gauge (or area), length, current and conductor material, with the percentage drop and the voltage left at the load. Everything is computed locally and deterministically, so it is instant and private. Resistances are at 20°C; ampacity figures are typical guidance only — real installations are governed by the NEC/IEC tables for the conductor, insulation and conditions. Ideal for electrical and electronics tools, maker and hobby projects, solar and automotive wiring, and AV and installation planning. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is wire-gauge physics; for Ohm's-law voltage/current/resistance use an electronics API and for resistor colour bands use a resistor API.
api.oanor.com/awg-api
Sauna Heater API
Sauna-Heizer-Berechnungen als API, lokal und deterministisch berechnet – die Heizleistung, Steinmasse und elektrischen Werte, die ein Saunabauer, Installateur oder Wellnesshändler für eine Kabine dimensioniert. Der Heizgrößen-Endpoint gibt die Leistung: etwa 1 kW pro 1,3 m³ gut isolierter Kabine (Raumvolumen ÷ 1,3), wobei kalte Oberflächen, die der Heizer ebenfalls erwärmen muss – eine Glastür oder -wand, nackter Stein, Fliesen oder ungedämmtes Holz – etwa 1,2 m³ äquivalentes Volumen pro Quadratmeter hinzufügen, sodass ein 10 m³ Raum mit einer 2 m² Glastür etwa einen 10 kW Heizer benötigt, aufgerundet auf die nächste Standardgröße. Der Steine-Endpoint gibt die empfohlene Saunasteinmasse, etwa 10–20 kg pro kW (mehr Steine für einen weicheren, dampfigen Löyly, weniger für eine schnellere Aufheizzeit), mit einem Hinweis, richtige Peridotit/Olivin-Steine locker gestapelt zu verwenden. Der Elektrik-Endpoint gibt den Strom an, den der Widerstandsheizer zieht – Leistung ÷ Spannung für einphasig oder ÷ (√3 × Spannung) für dreiphasig, da die meisten Heizer über ~4 kW dreiphasig angeschlossen werden, um den Strom pro Leitung und Kabelquerschnitt gering zu halten – zur Dimensionierung des Schutzschalters und des dedizierten FI-geschützten Stromkreises. Alles wird lokal und deterministisch berechnet, daher ist es sofort und privat. Ideal für Sauna- und Wellnesshändler, Heimwerker- und DIY-Tools sowie HLK-/Elektro-Schätzungs-Apps. Reine lokale Berechnung – kein Key, kein Drittanbieter-Service, sofort. Schätzungen – folgen Sie der Tabelle des Heizerherstellers und den örtlichen Elektrovorschriften. 3 Compute-Endpoints. Für Dampfkesselberechnungen verwenden Sie eine Boiler-API; für Raumwärmeverlust eine U-Wert-API.
api.oanor.com/saunaheater-api
Cable Tray Fill API
Cable-tray fill engineering maths as an API, computed locally and deterministically from NEC Article 392 — the allowable-fill, single-layer and tray-width numbers an electrician, estimator or designer runs for a tray run. The fill endpoint applies NEC 392.22(A)(1) Column 1 for multiconductor power and lighting cables no larger than 4/0 in a ladder or ventilated-bottom tray: the total cable cross-sectional area is capped at the tray width × 7/6, so a 12-inch tray allows 14 in² — sum every cable's csa, get the percentage fill and whether it is within code, with the spare area left. The large-cable endpoint covers cables 4/0 and larger, which must lie in a single layer with the sum of their diameters not exceeding the tray width — no stacking — so it returns the spare width and the code check. The min-width endpoint inverts the rule to size the tray: minimum width = cable area × 6/7, rounded up to a standard 6/9/12/18/24/30/36-inch width, leaving room for spare capacity and future cables. Everything is computed locally and deterministically, so it is instant and private. Ideal for electrical-design and estimating tools, industrial and OSP utilities, and code-check calculators. Pure local computation — no key, no third-party service, instant. Ladder/ventilated trays; solid-bottom and mixed fills use the other NEC columns, and ampacity must be derated for fill. 3 compute endpoints. For conduit and box fill use a conduit API.
api.oanor.com/cabletray-api
Electric Motor FLA API
Electric-motor electrical maths as an API, computed locally and deterministically — the full-load-current, NEC-sizing and starting-current numbers an electrician, panel designer or estimator runs for every motor circuit. The full-load-amps endpoint gives the motor current from its power, voltage and phase: FLA = (output ÷ efficiency) ÷ (√3 × volts × power factor) for three-phase (drop the √3 for single-phase) — a 10 hp, 460 V, three-phase motor at 90 % efficiency and 0.85 power factor draws about 12.2 A — and it also returns the input kW and kVA. The sizing endpoint applies NEC Article 430 from the full-load current: branch-circuit conductors at 125 %, overload protection at 115–125 % by service factor, and branch-circuit short-circuit/ground-fault protection up to 250 % for an inverse-time breaker or 175 % for a time-delay fuse — the larger protection lets the inrush pass while the overload guards the windings. The starting endpoint gives the locked-rotor (inrush) current, about six times full-load for an across-the-line start, the figure that sets the voltage dip and why soft starters and VFDs exist. Everything is computed locally and deterministically, so it is instant and private. Ideal for electrical-design and estimating tools, panel-builder and field utilities, and engineering calculators. Pure local computation — no key, no third-party service, instant. Calculated values — use the NEC FLC tables for code work. 3 compute endpoints. For general three-phase power use a three-phase API; for conduit fill a conduit API.
api.oanor.com/motorfla-api
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Qual è il limite di velocità di Voltage Drop API?
Il piano gratuito consente 1 richiesta al secondo. I piani a pagamento arrivano fino a 50 richieste al secondo nel piano Mega. I limiti rigorosi restituiscono HTTP 429 oltre la quota — nessuna spesa imprevista.
Quanto costa Voltage Drop API?
Voltage Drop API ha un piano gratuito con 100 chiamate / mese. I piani a pagamento partono da €9.00 / mese con quote più alte e limiti di velocità più rapidi.
Posso cancellare l'abbonamento in qualsiasi momento?
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Voltage Drop API è conforme al GDPR?
Tutte le richieste a Voltage Drop API passano attraverso il nostro gateway in UE. La tua chiave upstream non lascia mai il nostro server e nessun dato personale viene condiviso con il fornitore upstream oltre alla richiesta inviata.
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Frammenti di codice
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curl https://api.oanor.com/voltagedrop-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/voltagedrop-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/voltagedrop-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);import requests
r = requests.get(
"https://api.oanor.com/voltagedrop-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Valutazioni
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