Danfoss VACON NXP DCGuard Fact sheet [zh]

VACON® NXP DCGuard™

VACON® NXP DCGuard™*			Danfoss Drives VACON®
			NXP DCGuard™		VACON® NXP DCGuard™
					= VACON® NXP
					VACON® NXP DCGuard™
			n 465-800 VDC………3-4140 A
			n 640-1100 VDC………4-3100 A
					DNV-GL, ABS, Lloyd’s Register, CCS,
					Bureau Veritas
			1			2
				VACON®
	<5 µs			DCGuard
			+ -
			NXP

*

drives.danfoss.com

G1

G2

1200kWh

2000kW

2000kW

L L L

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LCL

LCL

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VACON® DCGuard™

=VW

~VW

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~VW

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=

=

=

DCGuard1

DCGuard2

1

DC+

=

L

L

=

DC+

DC-

= L

L

=

DC-

=

U~

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=

U~

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=

U~

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<![if ! IE]> <![endif]>V W

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<![if ! IE]> <![endif]>V W

<![if ! IE]> <![endif]>INU

2000kW

2000kW
	200kW

VACON® NXP DCGuard™

G3

2000kW

LCL
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~VW
=

2

= ~ INU W V U

2000kW

G4

2000kW

LCL
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~VW
=

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200kW

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2500kW

			3
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		2				4
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1			dI
		dt
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	4.
1.		dI/dt=V/L
DCGuard		V=
2.		L=
dI/dt=V/L	5.	100-150µs*
V=
L=		200-300µs*
100-150µs*	*

DCGuardDCGuard IGBT<5µs

DKDD.PFP.906.A4.41

© Danfoss Drives | 2019.03