ST130s ST150s phase control thyristor for motor controls

Pregled tiristora za kontrolu faze

Tiristor za kontrolu faze, često se naziva triac ili SCR (Silicijski kontrolirani ispravljač) u određenim aplikacijama, je poluvodički uređaj koji se koristi za kontrolu količine energije koja se isporučuje opterećenju podešavanjem faznog kuta pri kojem se valni oblik izmjenične struje može provoditi. Ova metoda kontrole poznata je kao kontrola faznog kuta ili jednostavno kontrola faze. Tiristori s faznom regulacijom imaju široku primjenu u različitim primjenama koje zahtijevaju preciznu regulaciju električne energije, kao što su regulatori rasvjete, kontrole brzine motora, regulatori temperature, i više.

Značajke tiristora za kontrolu faze

Kontrola faznog kuta: Omogućuje podešavanje točke provođenja unutar svakog poluciklusa AC valnog oblika, omogućujući preciznu kontrolu nad prosječnom snagom predanom opterećenju.

Visoka učinkovitost: Radi s minimalnim gubicima pri provođenju, pružajući učinkovitu kontrolu snage.

Dvosmjerna vodljivost (Trijaci): Za AC aplikacije, trijaci mogu provoditi struju u oba smjera, što ih čini prikladnima za kontrolu punog vala AC opterećenja.

Jednosmjerna vodljivost (SCR-ovi): SCR provode struju samo u jednom smjeru i obično se koriste za poluvalnu kontrolu AC ili DC opterećenja.

Okidanje vrata: Provođenje počinje kada se mala struja primijeni na terminal vrata, omogućujući jednostavnu kontrolu točke uključivanja.

Struja zabravljivanja: Jednom pokrenuto, tiristor nastavlja provoditi sve dok struja kroz njega ne padne ispod određene razine koja se naziva struja zadržavanja.

Temperaturna osjetljivost: Na performanse mogu utjecati promjene temperature, zahtijevaju razmatranja upravljanja toplinom u dizajnu.

Oznake napona i struje: Dostupan u širokom rasponu napona i struja kako bi odgovarao različitim potrebama primjene.

Stvaranje buke: Može generirati elektromagnetske smetnje (EMI), zahtijevaju odgovarajuće filtriranje i zaštitu u osjetljivim aplikacijama.

Mehanizmi zaštite: Često uključuju ugrađenu zaštitu od prenapona i prekostrujnih uvjeta za zaštitu uređaja i povezanih sustava.

(ST130s ST150s phase control thyristor for motor controls)

Specification of ST130s ST150s phase control thyristor for motor controls

The ST130s and ST130s phase control thyristors are built for tough motor control jobs. They handle high voltage and high current reliably. These thyristors manage AC power smoothly in motor starters, meki pokretači, and speed controllers.

Look at the voltage ratings first. Both types block high reverse voltage. They also block high forward voltage when turned off. This high blocking voltage is vital for industrial motor circuits. It protects against power surges.

Current handling is strong. The ST130s carries a big average current on-state. The ST150s handles even more current. Both manage large surge currents without damage. This matters when motors start or stall. High surge current tolerance prevents failures.

Thermal performance is good. The thermal resistance from junction to case is low. This means heat escapes quickly. Keeping the junction cool extends the thyristor’s life. Good thermal design is essential for motor drives running long hours.

These thyristors switch on fast. The gate trigger current needed is low. This makes them easy to drive with control circuits. They turn off reliably too. The circuit commutates them safely. Fast, reliable switching ensures precise motor speed control.

They are tough electrically. High critical rates of voltage rise mean less false triggering. High critical rates of current rise handle tough turn-on conditions. This electrical ruggedness suits demanding motor environments. Voltage spikes and noise are common there.

The package is standard. It mounts easily to a heatsink. Efficient cooling is straightforward. This design supports continuous operation in motor control cabinets. Reliability is key for reducing downtime.

(ST130s ST150s phase control thyristor for motor controls)

Applications of ST130s ST150s phase control thyristor for motor controls

The ST130s and ST130s phase control thyristors handle motor power control well. These components manage the AC power flow to motors. They work by switching the power on at specific points in the AC voltage cycle. This controls the average voltage delivered to the motor. Lower average voltage means slower motor speed. Higher average voltage means faster motor speed. This method gives smooth speed adjustment.

These thyristors suit many motor types. They control AC induction motors effectively. They also work with universal motors. These motors are common in power tools. The thyristors manage the power reliably. They handle high surge currents during motor start-up. Time se sprječava oštećenje. They ensure stable operation under varying loads. This is vital for industrial equipment.

Using these thyristors offers key benefits. Precise speed control improves process accuracy. Reducing motor speed saves significant energy. Less heat builds up in the motor. This extends the motor’s working life. The thyristors themselves are robust. They tolerate tough electrical conditions. They work in demanding environments.

You find these thyristors in many applications. Industrial fans use them for airflow control. Conveyor belt systems adjust speed with them. Machine tools rely on them for spindle regulation. They control pumps in water systems. They manage mixers in food processing. Power drills and saws benefit from their variable speed. Even home appliances like vacuum cleaners use similar control.

Profil tvrtke

PDDN Photoelectron Technology Co., doo(prodaja@pddn.com) jedno je od vodećih poduzeća u tehnologiji energetske elektronike i energetskih proizvoda, koja je u potpunosti uključena u razvoj solarnih pretvarača， transformatori, regulatori napona, razvodni ormari, tiristori， moduli， diode， grijalice, i druge elektroničke uređaje ili poluvodiče. Bit ćemo posvećeni pružanju korisnicima visoke kvalitete, učinkoviti proizvodi i pažljiva usluga.

Prihvaća plaćanje putem kreditne kartice, T/T, West Union, i Paypal. PDDN će robu slati kupcima u inozemstvo putem FedExa, DHL, morem, ili zrakom. If you want high-quality ST130s ST150s phase control thyristor for motor controls, pošaljite nam upite; mi ćemo biti ovdje da vam pomognemo.

Načini plaćanja

L/C, T/T, Western Union, Paypal, Kreditna kartica itd.

otprema

Po moru, zračnim putem, ekspresno, prema zahtjevima kupaca.

Uvjeti skladištenja

1) Čuvati u suhom okruženju na sobnoj temperaturi.

2) Izbjegavajte vlagu i visoke temperature.

3) Upotrijebite odmah nakon otvaranja unutarnje vrećice za pakiranje.

5 FAQs of ST130s ST150s phase control thyristor for motor controls

What are ST130s and ST150s thyristors?
These are specific power semiconductor devices. They act like high-speed switches. They control electrical power flow in AC circuits. They are built for motor control applications. They handle high currents and voltages reliably.

How do they control motor speed?
They use phase control. This method adjusts the point in the AC voltage wave where the thyristor turns on. Turning on later in the wave cuts the power delivered to the motor. Less power means slower motor speed. Turning on earlier gives more power and faster speed. This is smooth control.

Why use thyristors for motor control?
Thyristors are very efficient. They waste little power as heat. They react extremely fast. This gives precise motor speed adjustment. They are physically robust. They last a long time in tough conditions. They are cost-effective for industrial use.

ST130s or ST150s – which one fits?
The main difference is current rating. ST130s handle lower currents. ST150s manage higher currents. Check your motor’s full load current. Choose the thyristor rated above that current. Consider your safety margins. ST150s offer more headroom for demanding starts or heavy loads.

How are they installed and cooled?
Mount them firmly on a heatsink. Use thermal paste. This ensures good heat transfer. Overheating destroys thyristors. The heatsink size depends on your motor power. Bigger motors need bigger heatsinks. Follow the manufacturer’s mounting instructions exactly. Proper electrical connections are vital.

(ST130s ST150s phase control thyristor for motor controls)