Distribute Power System - DPS - SHENZHEN CONSNANT TECHNOLOGY CO.,LTD.

Aktif güç filtresi

Nasıl çalışıyor? 1.Harici akım Transformer model CT yük akımını gerçek zamanlı olarak algılayabilir 2.Dahili DSP, sistemin reaktif güç içeriğini hesaplar ve analiz eder 3.Güç faktörü telafisi için reaktif güç dengeleme akımı üretmek üzere IGBT'ye sinyal göndermek için PWM'yi kontrol edin Elektriksel özellikler ve özellikler Proje Açıklama Ana Fonksiyonlar Harmonik filtre Yalnızca harmonik filtreleme işlevi altında 2-51 derece filtrelemeyi ayarlayın Öncelik seçilirken harmonik filtreleme 2 ~ 13'tür Otomatik/öncelikli özellikler Kullanıcılar ayrıca H + Q/Q + H/Q + H + B/H + Q + B/H + Q + B Q güç faktörü H harmonik filtreleme B dengesizliği dahil öncelik işlevlerini de ayarlayabilirler. Uygulama Otel otoparkı araba şarj istasyonu araba 4S mağaza IDC hastane demiryolu su arıtma ve diğer doğrusal olmayan yükler Elektriksel Nominal gerilim 380/400Vac veya 690Vac Kablolama 3P3W veya 3P4W Frekans 50 2 Hz Kapasite SVG tipine göre 20 ~ 100A Modül tüketimi < 2kW Verimlilik 97,51 ton/tona kadar Anahtarlama frekansı 20kHz Tepki süresi Hızlı tepki süresi < 50s Toplam tepki süresi < 5ms CT Oranı 150: 5 ~ 6000: 5 Paralel 5 adede kadar özelleştirilebilir Terminal Iletişim RS485 Çevre çalışma ortamı Odada nem, toz, aşındırıcı veya yanıcı gaz, yağ buharı, buhar sızıntısı veya tuzlu su yok Yükseklik < 1000m özelleştirilebilir çalışma sıcaklığı -20 ° C ~ + 50 ° C 40 ° C'den 50 ° C'ye düşmek gerekir 40 ° C'den fazla düşme her 1 ° C'de 2% Maksimum izin verilen sıcaklık 50 ° C'dir Nem Yoğuşmasız 95%RH'den az Depolama sıcaklığı -20 ° C ~ + 70 ° C Titreşim 5,9m/s2'den az (0,6g) Muhafaza Koruma derecesi IP20 Renk 7035 Gri Özelleştirilebilir Boyut APF türüne göre APF boyutuna bakın Soğutma Fan soğutma

Ana Sayfa Enerji Depolama Sistemi

Ürün Parametreleri DC girişi Pil kutusu Maksimum PV giriş gücü 6500W Pil modülü sayısı 2 Maksimum PV giriş voltajı 370V Depolama kapasitesi 15 kWh Başlangıç gerilimi 150V Nominal gerilim 51.2V Maksimum güç voltaj aralığı 120-450V Akü voltaj aralığı 42- 57V MPPT Numarası 1 Maksimum deşarj akımı 150a Ben Max. MPPT başına PV dize sayısı 1 Pil Tipi LFP AC giriş ve çıkış Pil Markası / Normal AC giriş gücü 5000W Soğutma / Normal AC çıkış gücü 5000W Koruma BMS Dahili Görünür AC çıkış gücü 6000VA Pil grubu AC çıkış akımı / Normal çıkış voltajı 220VAC Modül kapasitesi 7. 5 kWh AC voltaj aralığı MAX240VAC Modül boyutu (W × H × D) T214* W550* H621mm Normal çıkış frekansı 50/ 60 Hz Modül Ağırlığı / Çıkış güç faktörü 0.8-0.8 geride Genel kurallar Çıktı THDi (@Norminal Output) < 3% Çevre koruma oranı IP21 Pil giriş ve çıkışı Ortam sıcaklık oranı -25 ~ 45 °C Nominal baery gerilimi 51.2V Iletişim 4G/ WiFi Bailey voltaj aralığı 42- 57V Uzaktan erişim Uygulama/ Web Sitesi Maksimum şarj akımı 80a Varant invertörü 2 yıl Maksimum deşarj akımı 150a Barreri Volat Barreri 5 yıl Boyut (W×H×D) Sistem blok şeması

SC HF OFF-GRID INVERTER

SC HF OFF-GRID INVERTER PERFORMANCE AND FUNCTIONALITY Pure sine wave off-grid type optical storage integrated machine Output power factor1 Up to 6 units can be Paralleled Wide PV input voltage range (120-450VDC) It can work normally without a battery Built-in 100A MPPT solar charger The battery balancing feature optimizes battery performance and extends the life Built-in dust screen for use in harsh environments SCENARIOS Mainly used in household solar power generation, used to drive household small power load of electrical appliances. Model SC HF 3500-24 SC HF 5500-48 Rated power 3500VA/3000W 5500VA/5500W Input Voltage 230VAC Voltage range 170-280VAC（suitable for personal computers） 90-280VAC（Suitable for household appliances） Frequency range 50Hz/60Hz（Automatic adaptation） Output Grid voltage regulation(battery mode) 230VAC±5% Surge power 7000VA 11000VA Efficiency >93.6% Switch time 10ms Waveform Pure sine wave Battery Battery voltage 24VDC 48VDC Float charge voltage 27VDC 54VDC Overcharge protection 33VDC 63VDC PV Charge &AC Charge PV maximum open-circuit voltage 500VDC 500VDC PV maximum power 5500W 5500W Maximum grid 80A 80A MPPT operating voltage range 120VDC-450VDC 120VDC-450VDC PV maximum 100A 100A charge current Physical properties Size 300*110*462 Net weight (kg) 10.5 11.5 Communication interface RS232 Environment Humidity Relative humidity (non-condensing) Operating temperature -10℃-50℃ Storage temperature -15℃-60℃

Hybrid PV Energy Storage Solar Charger Inverter

Main parameters Model HT4830S80-145 HT4840S80-145 HT4850S80-145 HT4825U80-145 HT4830U80-145 HT4835U80-145 Mains mode Rated input voltage 220/230Vac 110/120Vac Input voltage range (170Vac~280Vac) ±2% (90Vac-280Vac)±2% (90Vac~140Vac) ±2% Frequency 50Hz/ 60Hz (automatic detection) Frequency range 47±0.3Hz ~ 55±0.3Hz (50Hz); 57±0.3Hz ~ 65±0.3Hz (60Hz); Overload/short circuit protection Circuit breaker Efficiency >95% Conversion time 10ms (typical) (bypass and inverter) AC backflow protection Yes Maximum bypass overload current 40A Inverter mode Output voltage waveform Pure sine wave Rated output power (VA) 3000(2600/2700 /3000) 4000(3480/360 3800/4000) 5000(4350/4500 /4800/5000) 2500(2000/2180 /2290) 3000(2500/2600 /2750) 3500(2900/3000 /3200) Rated output power (W) 3000(2600/2700 /3000) 4000(3480/360 3800/4000) 5000(4350/4500 /4800/5000) 2500(2000/2180 /2290) 3000(2500/2600 /2750) 3500(2900/3000 /3200) Power factor 1 Rated output voltage (Vac) 230Vac(200/208/220/240Vac Settable) 120Vac(100/105/110Vac Settable) Output voltage error ±5% Output frequency range (Hz) 50Hz ± 0.3Hz 60Hz ± 0.3Hz Efficiency >92% >91% Overload protection (102%<load<125%) ±10%: Report error and turn off output after 5 minutes; (125%<load150% ±10%: Report error and turn off output after 5 seconds; (102%<load<110%) ±10%: Report error and turn off output after 5 minutes; (110%<load125% ±10%: Report error and turn off output after 5 seconds; Peak power 6000VA 8000VA 10000VA 4000VA 4500VA 5000VA Loaded motor capacity 2HP 3HP 4HP 1HP 2HP 2HP Output short circuit protection Circuit breaker Bypass circuit breaker specification 63A Rated battery input voltage 48V (minimum starting voltage 44V) Battery voltage range 40.0Vdc~60Vdc ± 0.6Vdc (undervoltage alarm / shutdown voltage / overvoltage alarm / overvoltage recovery…LCD screen can be set) Eco mode Load ≤ 50W AC charging Battery type Lead acid or lithium battery Maximum charge current 0-60A 0-40A Charge current error ± 5Adc Charge voltage range 40 – 58Vdc 40 – 60Vdc Short circuit protection Circuit breaker Circuit breaker specification (AC IN) 63A/(BAT) 125A Overcharge protection Alarm and turn off charging in 1 minute. PC charge Maximum PV open circuit voltage 145Vdc PV operating voltage range 60-145Vdc MPPT voltage range 60-115Vdc Battery voltage range 40-60Vdc Maximum output power 4200W PV charge current range (settable) 0-80A Charge short circuit protection BAT circuit breaker and fuse Wiring protection Reverse polarity protection Hybrid charging Max charger current specifications (AC charger+PV charger) Max charger current(can be set) 0-140A 0-120A Certified specification Specification certification CE(EN62109) EMC certification level EN61000, C2 Operating temperature range -15°C to 55°C Storage temperature range -25°C ~ 60°C RH range 5% to 95% (conformal coating protection) Noise ≤60dB Heat dissipation Forced air cooling, adjustable air speed Communicat ion interface USB/RS485 (WiFi/GPRS)/Dry Node Control Dimensions (L*W*D) 482*425*133mm Weight (kg) 13.3 Features It adopts full digital voltage and current double closed loop control, combined with advanced SPWM technology to output pure sine wave. Two output modes: mains bypass and inverter output enable uninterrupted power supply. 4 charging modes are available for choice: only PV, mains priority, PV priority, and hybrid charging. AdvancedMPPT technology with efficiency up to 99.9%. LCD screen design, with 3 LED indicators, for dynamic display of system data and run status. ON/OFF rocker switch controls AC output. Power saving mode reduces no-load loss. Intelligent variable speed fan ensures efficient heat dissipation, and thereby extends system life. It comes with double lithium battery activation modes: mains and PV, and supports lead-acid battery and lithium battery access. Multiple protections provide 360 ° all-round protection for the system. Complete protections include multi-electrical appliance air switch short circuit protection, overvoltage and undervoltage protection, overload protection, back-flow protection, etc. Horizontal installation facilitates cabinet combination installation. Lithium battery can be activated by both mains and PV panel.

1-3kVA Raf UPS

1-3KVA Rack-Mounted Online UPS Datasheet Feature： Zero Transfer time True Double Conversion Online UPS, Provide most comprehensive protect mission critical equipment from wide range power quality issues DSP Digital Control Based Advance DSP base digital control bring high performance of high input Power factor, low distortion , supply the load with perfect sine wave AC power supply Ultra Wide Input Mains range Strong compatible with ultra with electric environment, stay well with ultra wide range mains of 90V~300V, 40~70Hz ,dramatically reduce battery discharge , prolong battery life Best Loading Capability Up to 0.9 Output Power Factor, 50/60 Hz Automatically adapting, selectable voltage , perfectly match all kind of application Genset Compatible Capable of work with wide range of Genset, isolate fluctuation and noise from Genset , provide stable and clean power supply to the user equipment. High Input power factor Thanks to digital controlled PFC Technology, >0.99 input power factor, effectively avoid power pollution , save energy expense for customer Reliable design Made with strong Glass fiber base (FR4) double side PCB, company with large span component, greatly improve reliability in harsh environment, Well designed ventilation and conformal coating , avoid dust accumulation ,improve resistant to corrosion Open to customization Based on powerful controller and open architecture, the product is able to be customized to match need of integration of automatic system or intelligent supervisory system Specification： Model CNH110-1KR CNH110-1KRS CNH110-2KR CNH110-2KRS CNH110-3KR CNH110-3KRS Capacity VA/W 1kVA/800W 2kVA/1.6kW 3kVA/2.4kW Topology Double Conversion Online UPS Phase Single Phase Input Single Phase Output Mains Input Wiring L/N+PE Rated Voltage 208/220/230/240VAC Voltage Range 90~300VAC Frequency Range 40Hz-70Hz Input Power Factor ≥0.99 AC Output Wiring L/N+PE Output Voltage 208/220/230/240VAC Voltage Regulation ±1% Output Frequency 50/60±4Hz(Sync Mode) / 50/60Hz±0.1%(Free Run) Waveform Pure Sine Wave Distortion <2%(Linear Load) (THDV%) 150%Rated Load Efficiency AC/AC Mode 0.88 0.89 0.9 DC/AC Mode 0.86 0.87 0.88 Battery&Charge Rated Battery Voltage 24VDC Internal 36VDC External 48VDC Internal 72VDC External 48VDC Internal 96VDC External Battery Capacity 12V/7AH X2pcs External Battery Depends 12V/7AHx4pcs External Battery Depends 12V/9AH x4pcs External Battery Depends Backup Time >6mins @ Half Load >6mins @ Half Load >6mins @ Half Load Charging Current Standard Model with Internal Battery:1A Long Backup Time Model :4A Physical Chassis Style Rack-Mounted Rack Dimension 1KR/1KSR/2KR/2KSR/3KSR: 438mm(W) x 88mm(2U)(H) x 360mm(D) 3KR: 438mm(W) x 88mm(2U)(H) x 500mm(D) Include Internal Battery Weight (kg) 13 8.5 18.5 11.5 21.9 12 HMI LCD DISPLAY Input Mains Voltage, Frequency, Load level, Operation Mode, Health Status Standards Communication Interface 1. RS232 PORT Optional Extension Card 2. NMC Card: Support remote monitor the UPS via Smart Phone APP, Web page, PC Monitor Software , Support Server / NAS shutdown 3. MODBUS Card, 4. USB Card 5. Relay Card (Needs assembly according to order request before shipping Operating Environment Endurance Temperature range -10~50oC Relative Humidity 0-98%（Non-condensing） Acoustics Noise <55dB @ 1 meters UPS Outlook③ Front View CNH110-1KR(S)/CNH110-2KR(S)/CNH110-3KR(S) 2U Rack-Mounted UPS Rear View CNH110-1KR(S)/CNH110-2KR(S) 2U Rack-Mounted UPS Rear Panel CNH110-3KR(S) 2U Rack-Mounted UPS Rear Panel Note: ① Battery Capacity and voltage is open to customization ② Dimension might vary for different bezel ③ The socket and terminal configuration on the rear panel may be different for countries or regions according to order ④ More parameter customization，please contact sales representative

6-10KVA Rack Mount UPS

6~10kVA ONLINE UPS – Rack Mount Style Datasheet Feature： Zero Transfer time True Double Conversion Online UPS, Provide most comprehensive protect mission critical equipment from wide range power quality issues. DSP Digital Control Based Advance DSP base digital control bring high performance of high input Power factor, low distortion , supply the load with perfect sine wave AC power supply Three Level Inverter Low harmony noise, high efficiency , excellent loading capability Ultra Wide Input Mains range Strong compatible with ultra with electric environment, stay well with ultra wide range mains of 90V~300V, 40~70Hz ,dramatically reduce battery discharge , prolong battery life Best Loading Capability Up to 0.9 Output Power Factor , 50/60 Hz Automatically adapting, selectable voltage , perfectly match all kind of application Genset Compatible Capable of work with wide range of Genset, isolate fluctuation and noise from Genset , provide stable and clean power supply to the user equipment. High Input power factor Thanks to digital controlled PFC Technology, >0.99 input power factor, effectively avoid power pollution , save energy expense for customer Reliable design Made with strong Glass fiber base (FR4) double side PCB, company with large span component, greatly improve reliability in harsh environment, Well designed ventilation and conformal coating , avoid dust accumulation ,improve resistant to corrosion. Open to customization Based on powerful controller and open architecture, the product is able to be customized to match need of integration of automatic system or intelligent supervisory system Specification： Model CNH110-6KRS CNH110-10KRS Capacity VA/W 6kVA/5.4kW 10kVA/9kW Topology Double Conversion Online UPS Phase Single Phase Input Single Phase Output Mains Input Wiring L/N+PE Rated Voltage 208/220/230/240Vac Voltage Range 90~300VAC Frequency Range 40Hz-70Hz Input Power Factor ≥0.99 AC Output Wiring L/N+PE Output Voltage 208/220/230/240VAC Voltage Regulation ±1% Output Frequency 50/60±4Hz(Sync Mode) / 50/60Hz±0.1%(Free Run) Waveform Pure Sine Wave Distortion <2%(Linear Load) (THDV%) 150%Rated Load Efficiency AC/AC Mode >93% DC/AC Mode >91% Battery&Charge Rated Battery Voltage 192/240VDC External Battery Battery Capacity External Battery Depends Backup Time External Battery Depends Charging Current Long Backup Time Model :4A Physical Chassis Style Rack-Mounted Rack Dimension UPS: 438mm(W) x 88mm(2U)(H) x 500mm(D) without Internal Battery Battery Pack: 438mm(W) x 88mm(2U)(H) x500mm(D) Weight (kg) C6KRS : 14.6kg C10KRS: 15.0kg Battery Pack: 7AHx16pcs: 39kg HMI LCD DISPLAY Input Mains Voltage, Frequency, Load level, Operation Mode, Health Status Standards Communication Interface 1. RS232 PORT Optional Extension Card 2. NMC Card: Support remote monitor the UPS via Smart Phone APP, Web page, PC Monitor Software , Support Server / NAS shutdown 3. MODBUS Card, 4. USB Card 5. Relay Card (Needs assembly according to order request before shipping Operating Environment Endurance Temperature range -10~50oC Relative Humidity 0-98%（Non-condensing） Acoustics Noise <55dB @ 1 meters UPS Outlook③ Front View CNH110-6KRS~CNH110-10KRS 2U Rack UPS CCNH110-6KRS~CNH110-10KRS Rack UPS Rear Panel Note: ① Battery Capacity and voltage is open to customization ② Dimension might vary for different bezel ③ The socket and terminal configuration on the rear panel may be different for countries or regions according to order ④ More parameter customization，please contact sales representative

Model	DPS- 1103A	DPS- 1106A	DPS- 1110A
Kapasite	3000VA/2700W	6000VA/5400W	10000VA/9000W
Girdi
Giriş gerilimi	220VAC
Voltaj aralığı	176- 250VAC @ (80- 100%) yük
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem
Güç faktörü	≥0.99
Çıktı
çıkış gerilimi	208/220/230/240 VAC
Voltaj doğruluğu	± 11 TP 1 T (pil modu)
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem (senkron aralık)
Frekans aralığı	50 Hz ± 0.1 Hz veya 60 Hz ± 0.1 Hz (pil modu)
Güç faktörü	≥0.9
Tepe faktörü	En fazla 3:1.
Harmonik bozulma	Hat yükü ≤2% @ 100%; ≤3% @ 100% Doğrusal Olmayan Yük
Aktarım süresi	0 milisaniye (AC modu); 0 milisaniye (inverter modu); < 10 ms (inverter ECO)
Kaç
Girdi-çıktı	1 satır giriş 2 satır çıkış veya 2 satır giriş 2 satır çıkış
Verimlilik
İnvertör modu	> 94%
Pil
Pil Tipi	192/230V lityum pil
Pil kapasitesi	10Ah/12Ah/15Ah/18Ah/20Ah/25Ah/30Ah
Görünüm
Boyut D×W×H (mm)	800 × 438 × 88 (2U) güç konağı 800 × 438 × 176 (4U)/264 (6U) lityum pil
Net ağırlık (kg)	28 (güç ana bilgisayarı)
Çevre
Depolama sıcaklığı	-25 ° C-55 ° C
çalışma sıcaklığı	0 ° C-45 ° C
çalışma yüksekliği	< 2000 metre
çalışma nemi	< 95% yoğuşmasız
çalışma gürültüsü	< 55db@ 1 m mesafe
Yönetim
Akıllı yuva	Window @ 2000/2003/XP/Vista/2008, Window @ 7/8, Linux ve MAC desteği
İsteğe Bağlı	SNMP kartlarını destekler

Model	DPS- 1101b	DPS- 1102b		DPS-1103b
Kapasite	1000VA/800W	2000VA/1600W		3000VA/2100W
Girdi
Giriş gerilimi	220VAC
Voltaj aralığı	176-250 VAC
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem
Güç faktörü	≥0.99
Çıktı
çıkış gerilimi	208/220/230/240 VAC
Voltaj doğruluğu	± 11 TP 1 T (pil modu)
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem (senkron aralık)
Frekans aralığı	50 Hz ± 0.1 Hz veya 60 Hz ± 0.1 Hz (pil modu)
Güç faktörü	≥0.8		≥0.7
Tepe faktörü	En fazla 3:1.
Harmonik bozulma	Hat yükü ≤2% @ 100%; ≤3% @ 100% Doğrusal Olmayan Yük
Aktarım süresi	6 milisaniye (AC modu); 6 milisaniye (inverter kipi)
Kaç
Girdi-çıktı	1 satır giriş ve 2 satır veya 3 satır çıkış
Verimlilik
İnvertör modu	> 91% (30- 100%) yük
Pil
Pil Tipi	48V lityum pil
Pil kapasitesi	10Ah/15Ah/20Ah
Görünüm
Boyut D×W×H (mm)	800 × 438 × 44 (1U) güç konağı
Net ağırlık (kg)	8 (güç ana bilgisayarı)
Çevre
Depolama sıcaklığı	-25 ° C-55 ° C
çalışma sıcaklığı	0 ° C-45 ° C
çalışma yüksekliği	< 2000 metre
çalışma nemi	< 95% yoğuşmasız
çalışma gürültüsü	< 55db@ 1 m mesafe
Yönetim
Akıllı yuva	Window @ 2000/2003/XP/Vista/2008, Window @ 7/8, Linux ve MAC desteği
İsteğe Bağlı	SNMP kartlarını destekler

Model	DPS- 1103A	DPS- 1106A	DPS- 1110A
Kapasite	3000VA/2700W	6000VA/5400W	10000VA/9000W
Girdi
Giriş gerilimi	220VAC
Voltaj aralığı	176- 250VAC @ (80- 100%) yük
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem
Güç faktörü	≥0.99
Çıktı
çıkış gerilimi	208/220/230/240 VAC
Voltaj doğruluğu	± 11 TP 1 T (pil modu)
Frekans aralığı	46Hz-54Hz @ 50Hz sistemi; 56Hz-64Hz @ 60Hz Sistem (senkron aralık)
Frekans aralığı	50 Hz ± 0.1 Hz veya 60 Hz ± 0.1 Hz (pil modu)
Güç faktörü	≥0.9
Tepe faktörü	En fazla 3:1.
Harmonik bozulma	Hat yükü ≤2% @ 100%; ≤3% @ 100% Doğrusal Olmayan Yük
Aktarım süresi	0ms (ACMode); 0ms (InverterMode); < 10ms (InverterECO)

Kaç
Girdi-çıktı		1 satır giriş ve 2 satır çıkış 2 satır giriş ve 2 satır çıkış
Verimlilik
İnvertör modu		> 94%
Pil
Pil Tipi		192/230V lityum pil
Pil kapasitesi		10Ah/12Ah/15Ah/18Ah/20Ah/25Ah/30Ah

Depolama sıcaklığı		-25 ° C-55 ° C
çalışma sıcaklığı		0 ° C-45 ° C
çalışma yüksekliği		< 2000 metre
çalışma nemi		< 95% yoğuşmasız
çalışma gürültüsü		< 55db@ 1 m mesafe
Yönetici
Akıllı yuva		Window @ 2000/2003/XP/Vista/2008, Window @ 7/8, Linux ve MAC desteği
İsteğe Bağlı		SNMP kartlarını destekler

Dağıtılmış güç sistemi

Çeşitli uygulamalar için yedek güç çözümleri sağlama konusunda uzmanız

Dağıtılmış güç sistemi

Uygulama Alanı

Ek bilgi

Açıklama

Serbest bırakma

Aktif güç filtresi

Ana Sayfa Enerji Depolama Sistemi

SC HF OFF-GRID INVERTER

Hybrid PV Energy Storage Solar Charger Inverter

1-3kVA Raf UPS

6-10KVA Rack Mount UPS

Shenzhen CONSNANT Technology Co, Ltd

Ürünler

Bize ulaşın.

Görünüm
Boyut D×W×H (mm)		800×438×88 (2U) PowerHost; 800×438×176 (4U)/264 (6U) Lityum pil